Timeline of the London Underground
Encyclopedia
The transport system now known as the London Underground
London Underground
The London Underground is a rapid transit system serving a large part of Greater London and some parts of Buckinghamshire, Hertfordshire and Essex in England...

 began in 1863 with the Metropolitan Railway
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

, the world's first underground railway. Over the next forty years, the early sub-surface lines reached out from the urban centre of the capital into the surrounding rural margins, leading to the development of new commuter suburbs. At the end of the 19th and beginning of the 20th century, new technology—including electric locomotive
Electric locomotive
An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or an on-board energy storage device...

s and improvements to the tunnelling shield
Tunnelling shield
A tunnelling shield is a protective structure used in the excavation of tunnels through soil that is too soft or fluid to remain stable during the time it takes to line the tunnel with a support structure of concrete, cast iron or steel...

—enabled new companies to construct a series of "tube" lines deeper underground. Initially rivals, the tube railway companies began to co-operate in advertising and through shared branding, eventually consolidating under the single ownership of the Underground Electric Railways Company of London
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

 (UERL), with lines stretching across London.

In 1933, the government brought the UERL and the Metropolitan Railway together as a single organisation, the London Passenger Transport Board
London Passenger Transport Board
The London Passenger Transport Board was the organisation responsible for public transport in London, UK, and its environs from 1933 to 1948...

. The London Underground has since passed through a series of administrations, expanding further by the construction of new extensions and through the acquisition of existing main line routes, culminating in its current form as part of Transport for London
Transport for London
Transport for London is the local government body responsible for most aspects of the transport system in Greater London in England. Its role is to implement the transport strategy and to manage transport services across London...

, the capital's current transport administration, controlled by the Greater London Authority
Greater London Authority
The Greater London Authority is the top-tier administrative body for Greater London, England. It consists of a directly elected executive Mayor of London, currently Boris Johnson, and an elected 25-member London Assembly with scrutiny powers...

.

This timeline lists significant dates in the history of the network. Station names shown are current names; many stations have previously had different names.



1820s

1825:Using his patented tunnelling shield
Tunnelling shield
A tunnelling shield is a protective structure used in the excavation of tunnels through soil that is too soft or fluid to remain stable during the time it takes to line the tunnel with a support structure of concrete, cast iron or steel...

, Marc Brunel
Marc Isambard Brunel
Sir Marc Isambard Brunel, FRS FRSE was a French-born engineer who settled in England. He preferred the name Isambard, but is generally known to history as Marc to avoid confusion with his more famous son Isambard Kingdom Brunel...

 begins construction of the Thames Tunnel
Thames Tunnel
The Thames Tunnel is an underwater tunnel, built beneath the River Thames in London, United Kingdom, connecting Rotherhithe and Wapping. It measures 35 feet wide by 20 feet high and is 1,300 feet long, running at a depth of 75 feet below the river's surface...

 under the River Thames between Wapping
Wapping
Wapping is a place in the London Borough of Tower Hamlets which forms part of the Docklands to the east of the City of London. It is situated between the north bank of the River Thames and the ancient thoroughfare simply called The Highway...

 and Rotherhithe
Rotherhithe
Rotherhithe is a residential district in inner southeast London, England and part of the London Borough of Southwark. It is located on a peninsula on the south bank of the Thames, facing Wapping and the Isle of Dogs on the north bank, and is a part of the Docklands area...

. Progress is slow and will be halted a number of times before the tunnel is completed.

1840s

1843:The Thames Tunnel
Thames Tunnel
The Thames Tunnel is an underwater tunnel, built beneath the River Thames in London, United Kingdom, connecting Rotherhithe and Wapping. It measures 35 feet wide by 20 feet high and is 1,300 feet long, running at a depth of 75 feet below the river's surface...

 opens as a pedestrian tunnel.
1845:Charles Pearson
Charles Pearson
Charles Pearson was Solicitor to the City of London, a reforming campaigner, and – briefly – Member of Parliament for Lambeth...

, Solicitor to the City of London
City of London
The City of London is a small area within Greater London, England. It is the historic core of London around which the modern conurbation grew and has held city status since time immemorial. The City’s boundaries have remained almost unchanged since the Middle Ages, and it is now only a tiny part of...

, begins promoting the idea of an underground railway to bring passenger and goods services into the centre of the City.

1850s

1854:Metropolitan Railway
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 (MR) is incorporated and granted powers to construct an underground railway from Paddington to Farringdon
Farringdon station
Farringdon station is a London Underground and National Rail station in Clerkenwell, just north of the City of London in the London Borough of Islington...

.
1856:Eastern Counties Railway
Eastern Counties Railway
The Eastern Counties Railway was an early English railway company incorporated in 1836. It was intended to link London with Ipswich via Colchester, and then on to Norwich and Yarmouth. Construction began in late March 1837 on the first nine miles, at the London end of the line.Construction was...

 (ECR) opens a line from Leyton
Leyton tube station
Leyton tube station is a London Underground station at Leyton. Situated opposite Leyton Mills at the end of Leyton High Street. It is on the Central Line between Stratford and Leytonstone. It is in zone 3.-History:...

 to Loughton
Loughton tube station
Loughton is a London Underground station, some two miles north of the Greater London boundary, in the Epping Forest district of Essex.It is served by the Central Line and lies between Buckhurst Hill and Debden...

.

1860s

1860:Aylesbury and Buckingham Railway
Aylesbury and Buckingham Railway
The Aylesbury and Buckingham Railway was an English railway located in Buckinghamshire, England operating between Aylesbury and Verney Junction.-History:...

 (A&BR) is incorporated.
1862:Edgware, Highgate and London Railway
Edgware, Highgate and London Railway
The Edgware, Highgate and London Railway was a railway in north London. The railway was a precursor of parts of London Underground's Northern Line and was, in the 1930s the core of an ambitious expansion plan for that line which was thwarted by the Second World War...

 (EH&LR) is incorporated to build a railway between Finsbury Park
Finsbury Park station
Finsbury Park Station is a busy transport interchange in North London. The interchange consists of an interconnected National Rail station, London Underground station and two bus stations. The main entrances are by the eastern bus station on Station Place...

 and Edgware
Edgware railway station
Edgware railway station was a London and North Eastern Railway station in Station Road, Edgware, Greater London. It is not to be confused with the London Underground Northern line Edgware station approximately 200 metres to the north east.-History:...

.
1863:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 opens the first underground railway in the world.
1864:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 opens the Hammersmith & City Railway, its first extensions to Hammersmith
Hammersmith tube station (Hammersmith & City Line)
Hammersmith is a London Underground station in Hammersmith. It is the western terminus of the Circle and Hammersmith & City lines. The station is in Travelcard Zone 2 and is a short walk from the station of the same name on the Piccadilly and District lines. The two stations are separated by...

 and to Kensington Olympia.
Metropolitan District Railway
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 (MDR) is incorporated.

1865:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends to Moorgate
Moorgate station
Moorgate station is a central London railway terminus and London Underground station on Moorgate in the City of London; it provides National Rail services by First Capital Connect for Hertford, Welwyn Garden City and Letchworth and also serves the Circle, Hammersmith & City, Metropolitan Lines and...

.
East London Railway (ELR) purchases the Thames Tunnel
Thames Tunnel
The Thames Tunnel is an underwater tunnel, built beneath the River Thames in London, United Kingdom, connecting Rotherhithe and Wapping. It measures 35 feet wide by 20 feet high and is 1,300 feet long, running at a depth of 75 feet below the river's surface...

 for conversion to a railway tunnel.
ECR
Eastern Counties Railway
The Eastern Counties Railway was an early English railway company incorporated in 1836. It was intended to link London with Ipswich via Colchester, and then on to Norwich and Yarmouth. Construction began in late March 1837 on the first nine miles, at the London end of the line.Construction was...

 extends to Ongar.

1867:EH&LR
Edgware, Highgate and London Railway
The Edgware, Highgate and London Railway was a railway in north London. The railway was a precursor of parts of London Underground's Northern Line and was, in the 1930s the core of an ambitious expansion plan for that line which was thwarted by the Second World War...

 opens between Finsbury Park and Edgware.
1868:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 opens the Metropolitan and St John's Wood Railway
Metropolitan and St John's Wood Railway
The Metropolitan & St. John's Wood Railway was a subsidiary holding company for the first northward branch extension from Baker Street of the Metropolitan Railway ....

, a short branch northward from Baker Street
Baker Street tube station
Baker Street tube station is a station on the London Underground at the junction of Baker Street and the Marylebone Road. The station lies in Travelcard Zone 1 and is served by five different lines...

 to Swiss Cottage
Swiss Cottage (Metropolitan Line) tube station
Swiss Cottage is a disused London Underground station. It was opened in 1868 as the northern terminus of the Metropolitan and St John's Wood Railway, the first northward branch extension from Baker Street of the Metropolitan Railway...

, the first section of the company's eventual extensions into Middlesex
Middlesex
Middlesex is one of the historic counties of England and the second smallest by area. The low-lying county contained the wealthy and politically independent City of London on its southern boundary and was dominated by it from a very early time...

, Hertfordshire
Hertfordshire
Hertfordshire is a ceremonial and non-metropolitan county in the East region of England. The county town is Hertford.The county is one of the Home Counties and lies inland, bordered by Greater London , Buckinghamshire , Bedfordshire , Cambridgeshire and...

 and Buckinghamshire
Buckinghamshire
Buckinghamshire is a ceremonial and non-metropolitan home county in South East England. The county town is Aylesbury, the largest town in the ceremonial county is Milton Keynes and largest town in the non-metropolitan county is High Wycombe....

.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 opens between South Kensington
South Kensington tube station
South Kensington is a London Underground station in Kensington, west London. It is served by the District, Circle and Piccadilly lines. On the District and Circle lines, the station is between Gloucester Road and Sloane Square, and on the Piccadilly Line, it is between Gloucester Road and...

 and Westminster
Westminster tube station
Westminster is a London Underground station in the City of Westminster. It is served by the Circle, District and Jubilee lines. On the Circle and District lines, the station is between St. James's Park and Embankment and, on the Jubilee line it is between Green Park and Waterloo. It is in...

. The MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends to connect to the MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 at South Kensington and both companies operate services over the other's tracks.
A&BR
Aylesbury and Buckingham Railway
The Aylesbury and Buckingham Railway was an English railway located in Buckinghamshire, England operating between Aylesbury and Verney Junction.-History:...

 opens between Aylesbury
Aylesbury railway station
Aylesbury railway station is a railway station in Aylesbury, Buckinghamshire, England and is a major stop on the London to Aylesbury Line from Marylebone station via Amersham. It is 37.75 miles from Aylesbury Station to Marylebone Station...

 and Verney Junction
Verney Junction railway station
Verney Junction was a railway station at a junction serving four directions between 1868 and 1968 and from where excursions as far as Ramsgate could be booked...

.

1869:MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends from Gloucester Road
Gloucester Road tube station
-Deep-level station:By the beginning of the 20th century, the MDR had been extended to Richmond, Ealing Broadway, Hounslow West and Wimbledon in the west and to New Cross Gate in the east...

 to West Brompton
West Brompton station
West Brompton is a Network Rail West London Line and London Underground District Line station in west London. It is located on Old Brompton Road immediately south of Earls Court Exhibition Centre and to the west of Brompton Cemetery....

.
ELR opens between New Cross Gate and Wapping
Wapping tube station
Wapping railway station is on the northern bank of the river Thames in Wapping, East London, England. It is in Zone 2, and on the East London Line of London Overground between and ....

. First use of Thames Tunnel for trains.
London and South Western Railway
London and South Western Railway
The London and South Western Railway was a railway company in England from 1838 to 1922. Its network extended from London to Plymouth via Salisbury and Exeter, with branches to Ilfracombe and Padstow and via Southampton to Bournemouth and Weymouth. It also had many routes connecting towns in...

 (L&SWR) opens line from West London Line
West London Line
The West London Line is a short railway in inner West London which links lines at in the south to lines near Willesden Junction in the north. It has always been an important cross-London link especially for freight services...

 to Richmond
Richmond station (London)
Richmond station is a National Rail and London Underground station in the London Borough of Richmond upon Thames in south west London which is managed by South West Trains....

.

1870s

1870:Tower Subway
Tower Subway
The Tower Subway is a tunnel, dug in 1869, beneath the River Thames in central London, close to the Tower of London. Its alignment runs between Tower Hill on the north side of the river and Vine Lane to the south...

 opens, briefly, using a cabled-hauled carriage before conversion to pedestrian use. Constructed using a circular tunnelling shield
Tunnelling shield
A tunnelling shield is a protective structure used in the excavation of tunnels through soil that is too soft or fluid to remain stable during the time it takes to line the tunnel with a support structure of concrete, cast iron or steel...

 developed by Peter W. Barlow
Peter W. Barlow
Peter William Barlow was an English civil engineer.He was born at Woolwich, the son of an engineer and mathematician, professor Peter Barlow of the Royal Military Academy, Woolwich...

 and James Henry Greathead
James Henry Greathead
James Henry Greathead was an engineer renowned for his work on the London Underground railway.-Early life:Greathead was born in Grahamstown, South Africa; of English descent, Greathead's grandfather had emigrated to South Africa in 1820. He was educated at St Andrew's College, Grahamstown, and the...

 and lined with segmental cast-iron rings, this short tunnel under the River Thames successfully demonstrated new tunnelling techniques that would be used to construct most of the subsequent underground lines in London.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends from Westminster
Westminster tube station
Westminster is a London Underground station in the City of Westminster. It is served by the Circle, District and Jubilee lines. On the Circle and District lines, the station is between St. James's Park and Embankment and, on the Jubilee line it is between Green Park and Waterloo. It is in...

 to Blackfriars.

1871:MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends from Blackfriars to Mansion House
Mansion House tube station
Mansion House is a London Underground station in the City of London, near Mansion House . It is a sub-surface station served by trains on the Circle and District Lines. It is between Blackfriars and Cannon Street stations. The station is located at the junction of Queen Victoria Street and Cannon...

.
Brill Tramway
Brill Tramway
The Brill Tramway, also known as the Quainton Tramway, Wotton Tramway, Oxford & Aylesbury Tramroad and Metropolitan Railway Brill Branch, was a six-mile rail line in the Aylesbury Vale, Buckinghamshire, England...

 opens between the A&BR's station at Quainton Road
Quainton Road railway station
Quainton Road railway station was opened in 1868 in undeveloped countryside near Quainton, Buckinghamshire, from London. Built by the Aylesbury and Buckingham Railway, it was the result of pressure from the 3rd Duke of Buckingham to route the railway near his home at Wotton House and to open a...

 and Wood Siding
Wood Siding railway station
Wood Siding railway station was a small halt in Bernwood Forest, Buckinghamshire, England. It was opened in 1871 as a terminus of a short horse-drawn tramway built to assist the transport of goods from and around the Duke of Buckingham's extensive estates in Buckinghamshire and to connect the...

.

1872:Brill Tramway
Brill Tramway
The Brill Tramway, also known as the Quainton Tramway, Wotton Tramway, Oxford & Aylesbury Tramroad and Metropolitan Railway Brill Branch, was a six-mile rail line in the Aylesbury Vale, Buckinghamshire, England...

 extends to Brill
Brill
Brill is a village and civil parish in Aylesbury Vale district in Buckinghamshire, England, close to the boundary with Oxfordshire. It is about north-west of Long Crendon and south-east of Bicester...

.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends from Earl's Court
Earl's Court tube station
Earl's Court tube station is a London Underground station in Earls Court. The station is located between Earls Court Road and Warwick Road . It is on the boundary of Travelcard Zone 1 and 2 and is in both zones....

 to Kensington Olympia.
Great Northern Railway
Great Northern Railway (Great Britain)
The Great Northern Railway was a British railway company established by the Great Northern Railway Act of 1846. On 1 January 1923 the company lost its identity as a constituent of the newly formed London and North Eastern Railway....

 (GNR) extends E&HLR
Edgware, Highgate and London Railway
The Edgware, Highgate and London Railway was a railway in north London. The railway was a precursor of parts of London Underground's Northern Line and was, in the 1930s the core of an ambitious expansion plan for that line which was thwarted by the Second World War...

 from East Finchley
East Finchley tube station
East Finchley is a London Underground station in East Finchley in north London. The station is on the High Barnet branch of the Northern Line, between Highgate and Finchley Central stations, and is in Travelcard Zone 3.-History:...

 to High Barnet
High Barnet tube station
High Barnet tube station is a London Underground station located in High Barnet in North London. The station is the terminus of the High Barnet branch of the Northern line and is in Travelcard Zone 5. It is the northernmost station on the Northern line and is situated 10.2 miles north north-west...

.

1873:GNR
Great Northern Railway (Great Britain)
The Great Northern Railway was a British railway company established by the Great Northern Railway Act of 1846. On 1 January 1923 the company lost its identity as a constituent of the newly formed London and North Eastern Railway....

 extends EH&LR
Edgware, Highgate and London Railway
The Edgware, Highgate and London Railway was a railway in north London. The railway was a precursor of parts of London Underground's Northern Line and was, in the 1930s the core of an ambitious expansion plan for that line which was thwarted by the Second World War...

 from Highgate
Highgate tube station
Highgate tube station is a London Underground station on Archway Road, Highgate, not far from Highgate Village in north London. It is on the High Barnet branch of the Northern Line, between Archway and East Finchley, in Travelcard Zone 3....

 to Alexandra Palace
Alexandra Palace railway station (Muswell Hill branch)
Alexandra Palace railway station is a former station in the grounds of Alexandra Palace in the Muswell Hill area of north London...

.
1874:MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends from Earl's Court to Hammersmith.
City of London financiers establish Metropolitan Inner Circle Completion Railway to complete the Inner Circle by linking the MDR's
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 terminus at Mansion House
Mansion House tube station
Mansion House is a London Underground station in the City of London, near Mansion House . It is a sub-surface station served by trains on the Circle and District Lines. It is between Blackfriars and Cannon Street stations. The station is located at the junction of Queen Victoria Street and Cannon...

 with the MR's
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 planned terminus at Aldgate
Aldgate tube station
Aldgate tube station is a London Underground station located at Aldgate in the City of London.The station is on the Circle Line between Tower Hill and Liverpool Street. It is also the eastern terminus of the Metropolitan Line...

.

1875:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends to Liverpool Street
Liverpool Street station
Liverpool Street railway station, also known as London Liverpool Street or simply Liverpool Street, is both a central London railway terminus and a connected London Underground station in the north-eastern corner of the City of London, England...

.
1876:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends to Aldgate
Aldgate tube station
Aldgate tube station is a London Underground station located at Aldgate in the City of London.The station is on the Circle Line between Tower Hill and Liverpool Street. It is also the eastern terminus of the Metropolitan Line...

.
ELR extends from Whitechapel
Whitechapel tube station
Whitechapel is a London Underground and London Overground station on Whitechapel Road in the Whitechapel neighbourhood of the London Borough of Tower Hamlets in east London, England. The station is located on the east–west tracks shared by the District line and Hammersmith and City line and is on...

 to Shoreditch
Shoreditch tube station
Shoreditch tube station was a London Underground station in the London Borough of Tower Hamlets in east London. It was in Travelcard Zone 2. The station closed permanently at the end of traffic on 9 June 2006....

.

1877:MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends from Hammersmith to connect to the L&SWR
London and South Western Railway
The London and South Western Railway was a railway company in England from 1838 to 1922. Its network extended from London to Plymouth via Salisbury and Exeter, with branches to Ilfracombe and Padstow and via Southampton to Bournemouth and Weymouth. It also had many routes connecting towns in...

 at Ravenscourt Park
Ravenscourt Park tube station
Ravenscourt Park is a London Underground station located in west Hammersmith, west London. The station is served by the District Line and is between Hammersmith and Stamford Brook stations....

. MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 and MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 commence services over the L&SWR
London and South Western Railway
The London and South Western Railway was a railway company in England from 1838 to 1922. Its network extended from London to Plymouth via Salisbury and Exeter, with branches to Ilfracombe and Padstow and via Southampton to Bournemouth and Weymouth. It also had many routes connecting towns in...

 to Richmond
Richmond station (London)
Richmond station is a National Rail and London Underground station in the London Borough of Richmond upon Thames in south west London which is managed by South West Trains....

.
1879:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends to Willesden Green
Willesden Green tube station
Willesden Green tube station is a London Underground station in Willesden. It is served by the Jubilee Line and is between Dollis Hill and Kilburn. Metropolitan Line trains also pass through the station, but do not usually stop...

.
MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 takes over Metropolitan Inner Circle Completion Railway.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends from Turnham Green
Turnham Green tube station
Turnham Green is a London Underground station in Chiswick in west London. The station is located on Turnham Green Terrace, but the actual green is much closer to Chiswick Park station. The station is served by the District and Piccadilly Lines although Piccadilly Line trains normally only stop at...

 to Ealing Broadway
Ealing Broadway station
Ealing Broadway is an east-west National Rail and London Underground station in Ealing in west London. The station is located in Haven Green , at the termination of The Broadway, and is in Travelcard Zone 3.-Services:...

.

1880s

1880:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends to Harrow on the Hill
Harrow-on-the-Hill station
Harrow-on-the-Hill station is a London Underground station served by National Rail and London Underground trains. It is located between College Road and Lowlands Road in the Greenhill area of Harrow, about half a mile north of the locality from which it takes its name.-Railway geography:The...

.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends from West Brompton
West Brompton station
West Brompton is a Network Rail West London Line and London Underground District Line station in west London. It is located on Old Brompton Road immediately south of Earls Court Exhibition Centre and to the west of Brompton Cemetery....

 to Putney Bridge
Putney Bridge tube station
Putney Bridge is a London Underground station on the branch of the District Line. It is between and stations and is in Zone 2. The station is located in the south of Fulham, adjacent to Fulham High Street and New Kings Road and is a short distance from the north end of Putney Bridge from which...

.
ELR opens a spur to New Cross (South Eastern Railway)

1882:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends from Aldgate
Aldgate tube station
Aldgate tube station is a London Underground station located at Aldgate in the City of London.The station is on the Circle Line between Tower Hill and Liverpool Street. It is also the eastern terminus of the Metropolitan Line...

 to Tower of London
Tower of London tube station
Tower of London tube station was a station in London situated where Tower Hill station is located today.It was opened in 1882 during the construction of the Metropolitan Railway to the north...

.
1883:MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 commences a service over Great Western Railway
Great Western Railway
The Great Western Railway was a British railway company that linked London with the south-west and west of England and most of Wales. It was founded in 1833, received its enabling Act of Parliament in 1835 and ran its first trains in 1838...

 (GWR) via Slough
Slough railway station
Slough railway station, in Slough, Berkshire, England, is served by local services operated by First Great Western from to and intercity services on the Great Western Main Line, the original line of the Great Western Railway...

 to Windsor & Eton Central.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends from Acton Town
Acton Town tube station
Acton Town is a London Underground station in Acton, west London, served by the Piccadilly and District lines. The station is at the junction of Gunnersbury Lane and Bollo Lane and is in Travelcard Zone 3.-Services:...

 to Hounslow Town
Hounslow Town tube station
Hounslow Town was a London Underground station in Hounslow in west London. The station was at the east end of Hounslow High Street at the junction with Kingsley Road...

.

1884:City of London and Southwark Subway established to build a railway from the City of London
City of London
The City of London is a small area within Greater London, England. It is the historic core of London around which the modern conurbation grew and has held city status since time immemorial. The City’s boundaries have remained almost unchanged since the Middle Ages, and it is now only a tiny part of...

 to Elephant & Castle.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends from Osterley & Spring Grove
Osterley tube station
Osterley is a London Underground station in Osterley in west London. The station is on the Heathrow branch of the Piccadilly Line, between Boston Manor and Hounslow East. The station is located on Great West Road close to the National Trust-owned Osterley Park. It is in Travelcard Zone 4...

 to Hounslow West
Hounslow West tube station
Hounslow West is a London Underground station in Hounslow in west London. The station is on the Heathrow branch of the Piccadilly Line, between Hatton Cross and Hounslow Central stations. The station is located on Bath Road about 600m from the junction of Bath Road, Great West Road and Great...

.
MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 and MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 connect Mansion House
Mansion House tube station
Mansion House is a London Underground station in the City of London, near Mansion House . It is a sub-surface station served by trains on the Circle and District Lines. It is between Blackfriars and Cannon Street stations. The station is located at the junction of Queen Victoria Street and Cannon...

 with Tower of London
Tower of London tube station
Tower of London tube station was a station in London situated where Tower Hill station is located today.It was opened in 1882 during the construction of the Metropolitan Railway to the north...

, completing the Inner Circle.
MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 and MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extend east to St Mary's (Whitechapel Road)
St Mary's tube station
St Mary's was a station on London Underground's District line located between the present-day stations at Whitechapel and Aldgate East.-History:...

 and connect to ELR with services running to New Cross and New Cross Gate.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends to Whitechapel
Whitechapel tube station
Whitechapel is a London Underground and London Overground station on Whitechapel Road in the Whitechapel neighbourhood of the London Borough of Tower Hamlets in east London, England. The station is located on the east–west tracks shared by the District line and Hammersmith and City line and is on...

.

1885:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends to Pinner
Pinner tube station
Pinner tube station is a London Underground station on the Metropolitan Line in zone 5. The station was opened in 1885 as part of the Victorian expansion of dormitory suburbs, and was one of the stations included in the Metro-land project in the early 20th century...

.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 withdraws Ealing Broadway
Ealing Broadway station
Ealing Broadway is an east-west National Rail and London Underground station in Ealing in west London. The station is located in Haven Green , at the termination of The Broadway, and is in Travelcard Zone 3.-Services:...

 to Windsor & Eton Central service.

1886:MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 closes Hounslow Town
Hounslow Town tube station
Hounslow Town was a London Underground station in Hounslow in west London. The station was at the east end of Hounslow High Street at the junction with Kingsley Road...

 spur.
1887:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends to Rickmansworth
Rickmansworth station
Rickmansworth is a London Underground and National Rail station in the town of Rickmansworth, in the Three Rivers district of Hertfordshire to the north-west of London...

.
1889:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends to Chesham
Chesham tube station
Chesham lies at the end of the Metropolitan Line Chesham branch, and opened on 8 July 1889 as the original northern terminus of the Metropolitan Railway from . The station is a Grade II listed building. There is no station starter signal at Chesham. The branch has no intermediate stations...

.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 connects to L&SWR
London and South Western Railway
The London and South Western Railway was a railway company in England from 1838 to 1922. Its network extended from London to Plymouth via Salisbury and Exeter, with branches to Ilfracombe and Padstow and via Southampton to Bournemouth and Weymouth. It also had many routes connecting towns in...

 at East Putney
East Putney tube station
East Putney is a London Underground station on the branch of the District line. It is between to the north, and to the south. The station is on Upper Richmond Road...

 and commences services to Wimbledon
Wimbledon station
Wimbledon station is a National Rail, London Underground, and Tramlink station located in Wimbledon in the London Borough of Merton, and is the only London station that provides an interchange between rail, Underground, and Tramlink services...

.

1890s

1890:City of London and Southwark Subway changes name to City and South London Railway (C&SLR), and opens between Stockwell
Stockwell tube station
Stockwell tube station is a London Underground station in Stockwell, in the London Borough of Lambeth. It is located on the Northern Line between Oval and Clapham North, and on the Victoria Line between Brixton and Vauxhall. It is the southernmost station on the London Undergound that serves more...

 and King William Street
King William Street tube station
King William Street was the original but short-lived northern terminus of the City & South London Railway , the first deep tube underground railway in London and one of the component parts of the London Underground's Northern Line. It was in the City of London, on King William Street, just south...

, the world's first deep-level underground and electric railway.
Central London Railway
Central London Railway
The Central London Railway , also known as the Twopenny Tube, was a deep-level, underground "tube" railway that opened in London in 1900...

 (CLR) incorporated to build a tube railway from Bank to Shepherd's Bush.

1891:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 takes over A&BR
Aylesbury and Buckingham Railway
The Aylesbury and Buckingham Railway was an English railway located in Buckinghamshire, England operating between Aylesbury and Verney Junction.-History:...

 between Aylesbury
Aylesbury railway station
Aylesbury railway station is a railway station in Aylesbury, Buckinghamshire, England and is a major stop on the London to Aylesbury Line from Marylebone station via Amersham. It is 37.75 miles from Aylesbury Station to Marylebone Station...

 and Verney Junction
Verney Junction railway station
Verney Junction was a railway station at a junction serving four directions between 1868 and 1968 and from where excursions as far as Ramsgate could be booked...

.
1892:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends from Chalfont & Latimer
Chalfont & Latimer station
Chalfont & Latimer station is a London Underground and National Rail station in Travelcard Zone 8 on the Metropolitan Line, in Buckinghamshire. It is the junction between the through service to and a shuttle service every half an hour to...

 to Aylesbury
Aylesbury railway station
Aylesbury railway station is a railway station in Aylesbury, Buckinghamshire, England and is a major stop on the London to Aylesbury Line from Marylebone station via Amersham. It is 37.75 miles from Aylesbury Station to Marylebone Station...

.
Great Northern & City Railway (GN&CR) granted powers to build a tube railway from Finsbury Park
Finsbury Park station
Finsbury Park Station is a busy transport interchange in North London. The interchange consists of an interconnected National Rail station, London Underground station and two bus stations. The main entrances are by the eastern bus station on Station Place...

 to Moorgate
Moorgate station
Moorgate station is a central London railway terminus and London Underground station on Moorgate in the City of London; it provides National Rail services by First Capital Connect for Hertford, Welwyn Garden City and Letchworth and also serves the Circle, Hammersmith & City, Metropolitan Lines and...

.

1893:Charing Cross, Euston and Hampstead Railway (CCE&HR) granted powers to build a tube railway from Strand
Strand, London
Strand is a street in the City of Westminster, London, England. The street is just over three-quarters of a mile long. It currently starts at Trafalgar Square and runs east to join Fleet Street at Temple Bar, which marks the boundary of the City of London at this point, though its historical length...

 to Hampstead
Hampstead
Hampstead is an area of London, England, north-west of Charing Cross. Part of the London Borough of Camden in Inner London, it is known for its intellectual, liberal, artistic, musical and literary associations and for Hampstead Heath, a large, hilly expanse of parkland...

.
Baker Street and Waterloo Railway
Baker Street and Waterloo Railway
The Baker Street and Waterloo Railway , also known as the Bakerloo tube, was a railway company established in 1893 that constructed a deep-level underground "tube" railway in London...

 (BS&WR) granted powers to build a tube railway from Waterloo to Baker Street.

1897:Brompton and Piccadilly Circus Railway granted powers to build a tube railway from Piccadilly Circus
Piccadilly Circus tube station
Piccadilly Circus tube station is the London Underground station located directly beneath Piccadilly Circus itself, with entrances at every corner...

 to South Kensington.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 obtains powers to construct a tube railway from Gloucester Road
Gloucester Road tube station
-Deep-level station:By the beginning of the 20th century, the MDR had been extended to Richmond, Ealing Broadway, Hounslow West and Wimbledon in the west and to New Cross Gate in the east...

 to Mansion
Mansion House tube station
Mansion House is a London Underground station in the City of London, near Mansion House . It is a sub-surface station served by trains on the Circle and District Lines. It is between Blackfriars and Cannon Street stations. The station is located at the junction of Queen Victoria Street and Cannon...

 to run below its sub-surface line.
Anarchists bomb a MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 train which explodes at Barbican, injuring 60 and killing one.
Whitaker Wright
Whitaker Wright
James Whitaker Wright was an exceptionally wealthy English mining company owner. He became infamous when he committed suicide at the Royal Courts of Justice in London immediately following his conviction for fraud....

's London & Globe Finance Corporation purchases BS&WR
Baker Street and Waterloo Railway
The Baker Street and Waterloo Railway , also known as the Bakerloo tube, was a railway company established in 1893 that constructed a deep-level underground "tube" railway in London...

.

1898:City and Brixton Railway
City and Brixton Railway
The City & Brixton Railway was an authorised underground railway line in London planned to run from King William Street in the City of London under the River Thames to Brixton via The Borough, Lambeth and The Oval...

 granted powers to build a tube railway from King William Street
King William Street tube station
King William Street was the original but short-lived northern terminus of the City & South London Railway , the first deep tube underground railway in London and one of the component parts of the London Underground's Northern Line. It was in the City of London, on King William Street, just south...

 to Brixton
Brixton
Brixton is a district in the London Borough of Lambeth in south London, England. It is south south-east of Charing Cross. The area is identified in the London Plan as one of 35 major centres in Greater London....

.
Waterloo and City Railway opens between Waterloo
Waterloo tube station
Waterloo tube station is a London Underground station located at Waterloo station. It is the second busiest station on the network and is served by the Bakerloo, Jubilee, Northern and the Waterloo & City lines...

 and Bank.

1899:Great Northern and Strand Railway granted powers to build a tube railway from Wood Green
Wood Green
Wood Green is a district in north London, England, located in the London Borough of Haringey. It is situated north of Charing Cross. The area is identified in the London Plan as one of the metropolitan centres in Greater London.-History:...

 to Strand
Strand, London
Strand is a street in the City of Westminster, London, England. The street is just over three-quarters of a mile long. It currently starts at Trafalgar Square and runs east to join Fleet Street at Temple Bar, which marks the boundary of the City of London at this point, though its historical length...

.
MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 services commence over the Brill Tramway
Brill Tramway
The Brill Tramway, also known as the Quainton Tramway, Wotton Tramway, Oxford & Aylesbury Tramroad and Metropolitan Railway Brill Branch, was a six-mile rail line in the Aylesbury Vale, Buckinghamshire, England...

.

1900s

1900:C&SLR closes King William Street
King William Street tube station
King William Street was the original but short-lived northern terminus of the City & South London Railway , the first deep tube underground railway in London and one of the component parts of the London Underground's Northern Line. It was in the City of London, on King William Street, just south...

 and extends north to Moorgate
Moorgate station
Moorgate station is a central London railway terminus and London Underground station on Moorgate in the City of London; it provides National Rail services by First Capital Connect for Hertford, Welwyn Garden City and Letchworth and also serves the Circle, Hammersmith & City, Metropolitan Lines and...

 and south to Clapham Common
Clapham Common tube station
Clapham Common tube station is a station on London Underground's Northern Line. It lies between Clapham North and Clapham South stations and is in Travelcard Zone 2.-History:...

.
CLR
Central London Railway
The Central London Railway , also known as the Twopenny Tube, was a deep-level, underground "tube" railway that opened in London in 1900...

 opens between Bank and Shepherd's Bush.
Consortium led by Charles Yerkes
Charles Yerkes
Charles Tyson Yerkes was an American financier, born in Philadelphia. He played a major part in developing mass-transit systems in Chicago and London.-Philadelphia:...

 takes over CCE&HR.
London & Globe Finance Corporation and BS&WR
Baker Street and Waterloo Railway
The Baker Street and Waterloo Railway , also known as the Bakerloo tube, was a railway company established in 1893 that constructed a deep-level underground "tube" railway in London...

 collapse following Whitaker Wright
Whitaker Wright
James Whitaker Wright was an exceptionally wealthy English mining company owner. He became infamous when he committed suicide at the Royal Courts of Justice in London immediately following his conviction for fraud....

's fraudulent concealment of large losses.

1901:C&SLR extends to Angel
Angel tube station
Angel tube station is a London Underground station in The Angel, Islington. It is on the Bank branch of the Northern Line, between Old Street and King's Cross St. Pancras stations. It is in Travelcard Zone 1. The tube stop serves as a portal to several Off West End, or fringe theatre, venues,...

.
Yerkes
Charles Yerkes
Charles Tyson Yerkes was an American financier, born in Philadelphia. He played a major part in developing mass-transit systems in Chicago and London.-Philadelphia:...

 consortium takes over MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

, Brompton and Piccadilly Circus Railway and Great Northern and Strand Railway and merges the tube routes to form the Great Northern, Piccadilly and Brompton Railway
Great Northern, Piccadilly and Brompton Railway
The Great Northern, Piccadilly and Brompton Railway , also known as the Piccadilly tube, was a railway company established in 1902 that constructed a deep-level underground "tube" railway in London. The GNP&BR was formed through a merger of two older companies, the Brompton and Piccadilly Circus...

 (GNP&BR).

1902:Yerkes
Charles Yerkes
Charles Tyson Yerkes was an American financier, born in Philadelphia. He played a major part in developing mass-transit systems in Chicago and London.-Philadelphia:...

 consortium takes over BS&WR
Baker Street and Waterloo Railway
The Baker Street and Waterloo Railway , also known as the Bakerloo tube, was a railway company established in 1893 that constructed a deep-level underground "tube" railway in London...

.
Yerkes
Charles Yerkes
Charles Tyson Yerkes was an American financier, born in Philadelphia. He played a major part in developing mass-transit systems in Chicago and London.-Philadelphia:...

 establishes the Underground Electric Railways Company of London
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

 (UERL) as the holding company of the tube lines under his consortium's control.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends from Whitechapel
Whitechapel tube station
Whitechapel is a London Underground and London Overground station on Whitechapel Road in the Whitechapel neighbourhood of the London Borough of Tower Hamlets in east London, England. The station is located on the east–west tracks shared by the District line and Hammersmith and City line and is on...

 to Bromley-by-Bow
Bromley-by-Bow tube station
Bromley-by-Bow tube station is a London Underground station on the Blackwall Tunnel Northern Approach Road in the Bromley-by-Bow neighbourhood of the London Borough of Tower Hamlets in east London, England. The station is on the District and Hammersmith & City lines, with both services sharing a...

 and commences a service from there over the London, Tilbury and Southend Railway
London, Tilbury and Southend Railway
The London, Tilbury and Southend Railway is an English railway line linking Fenchurch Street railway station in the City of London with northeast London and the entire length of the northern Thames Gateway area of southern Essex. It is currently known as the Essex Thameside Route by Network Rail...

 to Upminster
Upminster station
Upminster station is a London Underground and National Rail station located in Upminster in the London Borough of Havering and in London fare zone 6. Located east-northeast of Charing Cross, it is the easternmost station on the London Underground network and the eastern terminus of the District...

.
Edgware & Hampstead Railway incorporated to build a railway from Golders Green
Golders Green tube station
Golders Green tube station is a London Underground station in Golders Green, north London. The station is on the Edgware branch of the Northern Line between Hampstead and Brent Cross...

 to Edgware
Edgware
Edgware is an area in London, situated north-northwest of Charing Cross. It forms part of both the London Borough of Barnet and the London Borough of Harrow. The area is identified in the London Plan as one of 35 major centres in Greater London....

.

1903:C&SLR takes over City and Brixton Railway
City and Brixton Railway
The City & Brixton Railway was an authorised underground railway line in London planned to run from King William Street in the City of London under the River Thames to Brixton via The Borough, Lambeth and The Oval...

 and allows its plans to lapse.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 extends from Ealing Common
Ealing Common tube station
Ealing Common is a London Underground station on the Uxbridge branch of the Piccadilly Line, and on the Ealing Broadway branch of the District Line...

 to South Harrow
South Harrow tube station
South Harrow is a London Underground station on the Uxbridge branch of the Piccadilly Line. The station is between Sudbury Hill and Rayners Lane. It is located on Northolt Road . The station is in Travelcard Zone 5...

.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 reopens Hounslow Town
Hounslow Town tube station
Hounslow Town was a London Underground station in Hounslow in west London. The station was at the east end of Hounslow High Street at the junction with Kingsley Road...

 spur.
Watford and Edgware Railway
Watford and Edgware Railway
The Watford and Edgware Railway was a railway company established in the 1860s that intended to build a railway that would run between Edgware and Watford, via Bushey...

 incorporated to build a railway from Edgware
Edgware
Edgware is an area in London, situated north-northwest of Charing Cross. It forms part of both the London Borough of Barnet and the London Borough of Harrow. The area is identified in the London Plan as one of 35 major centres in Greater London....

 to Watford
Watford
Watford is a town and borough in Hertfordshire, England, situated northwest of central London and within the bounds of the M25 motorway. The borough is separated from Greater London to the south by the urbanised parish of Watford Rural in the Three Rivers District.Watford was created as an urban...

.
CCE&HR takes over Edgware & Hampstead Railway.
Great Eastern Railway
Great Eastern Railway
The Great Eastern Railway was a pre-grouping British railway company, whose main line linked London Liverpool Street to Norwich and which had other lines through East Anglia...

 opens Fairlop Loop
Fairlop Loop
The Fairlop Loop was a 6.5-mile branch line of the Great Eastern Railway . It opened to freight on 20 April 1903 and to passengers on 1 May 1903. It connected Woodford on the Ongar branch to Ilford on the Main Line, along with an eastward freight connection for freight, excursions and stock...

 from Ilford
Ilford railway station
Ilford railway station is a suburban National Rail station located in Ilford in the London Borough of Redbridge. Passenger services are operated by National Express East Anglia and most trains run between Shenfield and Liverpool Street...

 to Woodford
Woodford tube station
Woodford is a London Underground station in Woodford in the London Borough of Redbridge, United Kingdom.The station is on the Central Line between South Woodford and Buckhurst Hill. The station is also a terminus for services via the Hainault loop....

 via Hainult
Hainault tube station
Hainault is a London Underground station on the Central Line in Hainault in the London Borough of Redbridge. Since 2 January 2007 the station is in Travelcard Zone 4. This station is home to one of the three Central Line depots.-History:...

.

1904:GN&CR opens between Finsbury Park
Finsbury Park station
Finsbury Park Station is a busy transport interchange in North London. The interchange consists of an interconnected National Rail station, London Underground station and two bus stations. The main entrances are by the eastern bus station on Station Place...

 and Moorgate
Moorgate station
Moorgate station is a central London railway terminus and London Underground station on Moorgate in the City of London; it provides National Rail services by First Capital Connect for Hertford, Welwyn Garden City and Letchworth and also serves the Circle, Hammersmith & City, Metropolitan Lines and...

.
MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 opens branch from Harrow-on-the-Hill
Harrow-on-the-Hill station
Harrow-on-the-Hill station is a London Underground station served by National Rail and London Underground trains. It is located between College Road and Lowlands Road in the Greenhill area of Harrow, about half a mile north of the locality from which it takes its name.-Railway geography:The...

 to Uxbridge
Uxbridge tube station
Uxbridge is a London Underground station in Uxbridge in the London Borough of Hillingdon, north-west London. The station is the terminus of the Uxbridge branches of both the Metropolitan Line and the Piccadilly Line. The next station towards London is Hillingdon. The station is 15.5 miles west of...

.
Whitaker Wright
Whitaker Wright
James Whitaker Wright was an exceptionally wealthy English mining company owner. He became infamous when he committed suicide at the Royal Courts of Justice in London immediately following his conviction for fraud....

 commits suicide by swallowing cyanide
Cyanide poisoning
Cyanide poisoning occurs when a living organism is exposed to a compound that produces cyanide ions when dissolved in water. Common poisonous cyanide compounds include hydrogen cyanide gas and the crystalline solids potassium cyanide and sodium cyanide...

 after being convicted of fraud.

1905:UERL
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

 opens Lots Road Power Station
Lots Road Power Station
Lots Road Power Station is a disused coal and later oil-fired power station on the River Thames at Lots Road in Chelsea, London in the south-west of The Royal Borough of Kensington and Chelsea, which supplied electricity to the London Underground system...

 to provide electricity for the MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 and the UERL's forthcoming tube lines.
MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 and MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 replace steam trains with electric over majority of routes.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 withdraws service between East Ham
East Ham tube station
East Ham tube station is a London Underground station on the District and Hammersmith and City lines, located in East Ham, east London. It is in both Zone 3 and Zone 4. The station exit is on High Street North....

 and Upminster
Upminster station
Upminster station is a London Underground and National Rail station located in Upminster in the London Borough of Havering and in London fare zone 6. Located east-northeast of Charing Cross, it is the easternmost station on the London Underground network and the eastern terminus of the District...

.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 opens branch from Acton Town
Acton Town tube station
Acton Town is a London Underground station in Acton, west London, served by the Piccadilly and District lines. The station is at the junction of Gunnersbury Lane and Bollo Lane and is in Travelcard Zone 3.-Services:...

 to South Acton
South Acton railway station
South Acton railway station is in the London Borough of Ealing in South Acton, west London. It is on the North London Line, and the station and all trains serving it are operated by London Overground. It is in Travelcard Zone 3...

.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 withdraws service between St Mary's (Whitechapel Road)
St Mary's tube station
St Mary's was a station on London Underground's District line located between the present-day stations at Whitechapel and Aldgate East.-History:...

 and New Cross.
Charles Yerkes
Charles Yerkes
Charles Tyson Yerkes was an American financier, born in Philadelphia. He played a major part in developing mass-transit systems in Chicago and London.-Philadelphia:...

 dies and is replaced as Chairman of the UERL
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

 by Edgar Speyer
Edgar Speyer
Sir Edgar Speyer, 1st Baronet was an American-born financier and philanthropist. He became a British subject in 1892 and was chairman of Speyer Brothers, the British branch of his family's international finance house, and a partner in the German and American branches...

.

1906:Sir George Gibb
George Gibb
Sir George Stegmann Gibb was a Scottish transport administrator who served as the general manager of the North Eastern Railway, managing director of the Underground Electric Railways Company of London, and as chairman of the former British Road Board.-Early life:George Gibb was born in Aberdeen,...

 becomes Managing Director of UERL
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

.
Frank Pick
Frank Pick
Frank Pick LLB Hon. RIBA was a British transport administrator. After qualifying as a solicitor in 1902, he worked at the North Eastern Railway, before moving to the Underground Electric Railways Company of London in 1906...

, later Managing Director and Vice Chairman of London Transport, begins work at UERL
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

.
MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 withdraws services between Hammersmith
Hammersmith (Grove Road) station
Hammersmith railway station was on the London and South Western Railway . It was located in Grove Road , Hammersmith, adjacent to the Hammersmith & City and Circle lines station....

 and Richmond
Richmond station (London)
Richmond station is a National Rail and London Underground station in the London Borough of Richmond upon Thames in south west London which is managed by South West Trains....

.
BS&WR
Baker Street and Waterloo Railway
The Baker Street and Waterloo Railway , also known as the Bakerloo tube, was a railway company established in 1893 that constructed a deep-level underground "tube" railway in London...

 opens between Elephant & Castle
Elephant & Castle tube station
Elephant & Castle tube station is a station on the London Underground system. It is located in the London Borough of Southwark and on the boundary of Travelcard Zone 1 and 2...

 and Baker Street
Baker Street tube station
Baker Street tube station is a station on the London Underground at the junction of Baker Street and the Marylebone Road. The station lies in Travelcard Zone 1 and is served by five different lines...

. It becomes known as the Bakerloo tube.
GNP&BR
Great Northern, Piccadilly and Brompton Railway
The Great Northern, Piccadilly and Brompton Railway , also known as the Piccadilly tube, was a railway company established in 1902 that constructed a deep-level underground "tube" railway in London. The GNP&BR was formed through a merger of two older companies, the Brompton and Piccadilly Circus...

 opens between Finsbury Park
Finsbury Park station
Finsbury Park Station is a busy transport interchange in North London. The interchange consists of an interconnected National Rail station, London Underground station and two bus stations. The main entrances are by the eastern bus station on Station Place...

 and Hammersmith. It becomes known as the Piccadilly tube.
MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 withdraws service between St Mary's (Whitechapel Road)
St Mary's tube station
St Mary's was a station on London Underground's District line located between the present-day stations at Whitechapel and Aldgate East.-History:...

 and New Cross, pending electrification of the ELR
East London Line
The East London Line is a London Overground line which runs north to south through the East End, Docklands and South areas of London.Built in 1869 by the East London Railway Company, which reused the Thames Tunnel, originally intended for horse-drawn carriages, the line became part of the London...

.

1907:Albert Stanley
Albert Stanley, 1st Baron Ashfield
Albert Henry Stanley, 1st Baron Ashfield, PC, TD , born Albert Henry Knattriess, was a British-American who was managing director, then chairman of the Underground Electric Railways Company of London from 1910 to 1933 and chairman of the London Passenger Transport Board from 1933 to 1947.Although...

, later Chairman of London Transport, begins work at UERL
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

.
C&SLR extends to Euston
Euston tube station
Euston tube station is a London Underground station served by the Victoria Line and both branches of the Northern Line. It directly connects with the Euston mainline station above it. The station is in Travelcard Zone 1....

.
CCE&HR opens between Golders Green
Golders Green tube station
Golders Green tube station is a London Underground station in Golders Green, north London. The station is on the Edgware branch of the Northern Line between Hampstead and Brent Cross...

, Archway
Archway tube station
Archway tube station is a London Underground station in north London, underneath the Archway Tower, at the intersection of Holloway Road, Highgate Hill and Junction Road in the area known as Archway....

 and Charing Cross
Charing Cross tube station
Charing Cross tube station is a London Underground station at Charing Cross in the City of Westminster with entrances located in Trafalgar Square and The Strand. The station is served by the Northern and Bakerloo lines and provides an interchange with the National Rail network at station...

. It becomes known as the Hampstead tube.
Piccadilly tube
Great Northern, Piccadilly and Brompton Railway
The Great Northern, Piccadilly and Brompton Railway , also known as the Piccadilly tube, was a railway company established in 1902 that constructed a deep-level underground "tube" railway in London. The GNP&BR was formed through a merger of two older companies, the Brompton and Piccadilly Circus...

 opens branch from Holborn
Holborn tube station
Holborn is a station of the London Underground in Holborn in London, located at the junction of High Holborn and Kingsway. Situated on the Piccadilly Line and on the Central Line , it is the only station common to the two lines, although the two lines cross each other three times elsewhere...

 to Aldwych
Aldwych tube station
Aldwych is a closed London Underground station in the City of Westminster, originally opened as Strand in 1907. It was the terminus and only station on the short Piccadilly line branch from Holborn that was a relic of the merger of two railway schemes. The disused station building is close to the...

.
Bakerloo tube
Baker Street and Waterloo Railway
The Baker Street and Waterloo Railway , also known as the Bakerloo tube, was a railway company established in 1893 that constructed a deep-level underground "tube" railway in London...

 extends to Edgware Road
Edgware Road tube station (Bakerloo Line)
Edgware Road is a London Underground station in the City of Westminster. It is served by the Bakerloo line and is between Paddington and Marylebone stations. It is in Travelcard Zone 1. The station is located on the north-east corner of the junction of Edgware Road, Harrow Road and Marylebone Road...

.

1908:CLR
Central London Railway
The Central London Railway , also known as the Twopenny Tube, was a deep-level, underground "tube" railway that opened in London in 1900...

 extends to Wood Lane
Wood Lane (Central Line) tube station
Wood Lane tube station is a disused station on the Central Line of the London Underground. It was built to serve the Franco-British Exhibition of 1908 and the 1908 Summer Olympics....

.
MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 restarts service between East Ham
East Ham tube station
East Ham tube station is a London Underground station on the District and Hammersmith and City lines, located in East Ham, east London. It is in both Zone 3 and Zone 4. The station exit is on High Street North....

 and Barking
Barking station
Barking station is a railway station served by National Rail and London Underground services. It is located in Barking in the London Borough of Barking and Dagenham in east London, England. The station is in Zone 4, has nine platforms, and is managed by c2c. It has been proposed that ownership of...

.
The underground railway companies begin to use the "Underground" brand for joint marketing.
First version of the Underground roundel comes into use—a solid red disk with a bar carrying station names is based on a device used by the London General Omnibus Company
London General Omnibus Company
The London General Omnibus Company or LGOC, was the principal bus operator in London between 1855 and 1933. It was also, for a short period between 1909 and 1912, a motor bus manufacturer.- Overview :...

.

1909:MDR
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 closes Hounslow Town
Hounslow Town tube station
Hounslow Town was a London Underground station in Hounslow in west London. The station was at the east end of Hounslow High Street at the junction with Kingsley Road...

 spur again.

1910s

1910:District line
District Line
The District line is a line of the London Underground, coloured green on the Tube map. It is a "sub-surface" line, running through the central area in shallow cut-and-cover tunnels. It is the busiest of the sub-surface lines. Out of the 60 stations served, 25 are underground...

 extends from South Harrow
South Harrow tube station
South Harrow is a London Underground station on the Uxbridge branch of the Piccadilly Line. The station is between Sudbury Hill and Rayners Lane. It is located on Northolt Road . The station is in Travelcard Zone 5...

 to connect to the MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 at Rayners Lane
Rayners Lane tube station
Rayners Lane is a London Underground station in the district of Rayners Lane in north west London, amid a 1930s development originally named Harrow Garden Village. The station is on the Uxbridge branch of both the Metropolitan Line, between Eastcote and West Harrow stations, and the Piccadilly...

 and commences services to Uxbridge
Uxbridge tube station
Uxbridge is a London Underground station in Uxbridge in the London Borough of Hillingdon, north-west London. The station is the terminus of the Uxbridge branches of both the Metropolitan Line and the Piccadilly Line. The next station towards London is Hillingdon. The station is 15.5 miles west of...

.
District line
District Line
The District line is a line of the London Underground, coloured green on the Tube map. It is a "sub-surface" line, running through the central area in shallow cut-and-cover tunnels. It is the busiest of the sub-surface lines. Out of the 60 stations served, 25 are underground...

 starts excursion services from Upminster to Southend-on-Sea
Southend-on-Sea
Southend-on-Sea is a unitary authority area, town, and seaside resort in Essex, England. The district has Borough status, and comprises the towns of Chalkwell, Eastwood, Leigh-on-Sea, North Shoebury, Prittlewell, Shoeburyness, Southchurch, Thorpe Bay, and Westcliff-on-Sea. The district is situated...

.
Separate managements of the Bakerloo tube
Baker Street and Waterloo Railway
The Baker Street and Waterloo Railway , also known as the Bakerloo tube, was a railway company established in 1893 that constructed a deep-level underground "tube" railway in London...

, Hampstead tube and Piccadilly tube
Great Northern, Piccadilly and Brompton Railway
The Great Northern, Piccadilly and Brompton Railway , also known as the Piccadilly tube, was a railway company established in 1902 that constructed a deep-level underground "tube" railway in London. The GNP&BR was formed through a merger of two older companies, the Brompton and Piccadilly Circus...

 companies merge into a single company—the London Electric Railway
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

 (LER). The lines continue to be identified by individual names.

1911:First escalators come into use at Earl's Court
Earl's Court tube station
Earl's Court tube station is a London Underground station in Earls Court. The station is located between Earls Court Road and Warwick Road . It is on the boundary of Travelcard Zone 1 and 2 and is in both zones....

.
1912:CLR
Central London Railway
The Central London Railway , also known as the Twopenny Tube, was a deep-level, underground "tube" railway that opened in London in 1900...

 extends to Liverpool Street
Liverpool Street station
Liverpool Street railway station, also known as London Liverpool Street or simply Liverpool Street, is both a central London railway terminus and a connected London Underground station in the north-eastern corner of the City of London, England...

.
1913:UERL
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

 purchases the C&SLR and CLR
Central London Railway
The Central London Railway , also known as the Twopenny Tube, was a deep-level, underground "tube" railway that opened in London in 1900...

.
MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 takes control of the ELR and the GN&CR.
Following electrification of the ELR
East London Line
The East London Line is a London Overground line which runs north to south through the East End, Docklands and South areas of London.Built in 1869 by the East London Railway Company, which reused the Thames Tunnel, originally intended for horse-drawn carriages, the line became part of the London...

, MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 restarts service between St Mary's (Whitechapel Road)
St Mary's tube station
St Mary's was a station on London Underground's District line located between the present-day stations at Whitechapel and Aldgate East.-History:...

 and New Cross. MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 starts service from Whitechapel
Whitechapel tube station
Whitechapel is a London Underground and London Overground station on Whitechapel Road in the Whitechapel neighbourhood of the London Borough of Tower Hamlets in east London, England. The station is located on the east–west tracks shared by the District line and Hammersmith and City line and is on...

 to Shoreditch
Shoreditch tube station
Shoreditch tube station was a London Underground station in the London Borough of Tower Hamlets in east London. It was in Travelcard Zone 2. The station closed permanently at the end of traffic on 9 June 2006....

 and Surrey Quays
Surrey Quays tube station
Surrey Quays railway station is a railway station in Rotherhithe near Southwark Park. It is in Zone 2, on the East London Line. The next station to the north is , and to the south it splits into branches to and...

 to New Cross Gate.
Bakerloo tube
Baker Street and Waterloo Railway
The Baker Street and Waterloo Railway , also known as the Bakerloo tube, was a railway company established in 1893 that constructed a deep-level underground "tube" railway in London...

 extends to Paddington.

1914:Hampstead tube extends to Embankment
Embankment tube station
Embankment is a London Underground station in the City of Westminster, known by various names during its history. It is served by the Circle, District, Northern and Bakerloo lines. On the Northern and Bakerloo lines, the station is between Waterloo and Charing Cross stations; on the Circle and...

.
1915:Bakerloo tube
Baker Street and Waterloo Railway
The Baker Street and Waterloo Railway , also known as the Bakerloo tube, was a railway company established in 1893 that constructed a deep-level underground "tube" railway in London...

 extends to Willesden Junction
Willesden Junction station
Willesden Junction station is a Network Rail station in Harlesden, northwest London, UK. It is served by both London Overground and the Bakerloo line of the London Underground.-History:The station developed on three contiguous sites:...

.
MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 begins publication of Metro-land its annual guide promoting the use of its line for commuting and leisure. The name becomes synonymous with the developing suburbs north-west of the capital served by the railway.
Sir Edgar Speyer
Edgar Speyer
Sir Edgar Speyer, 1st Baronet was an American-born financier and philanthropist. He became a British subject in 1892 and was chairman of Speyer Brothers, the British branch of his family's international finance house, and a partner in the German and American branches...

 resigns as Chairman of the Underground Group
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

 following attacks in the press regarding his Germany origins. He is replaced by Lord George Hamilton
Lord George Hamilton
Lord George Francis Hamilton GCSI, PC, JP was a British Conservative Party politician of the late 19th and early 20th centuries.-Background:...

.

1916:Edward Johnston
Edward Johnston
Edward Johnston, CBE was a British-Uruguayan craftsman who is regarded, with Rudolf Koch, as the a father of modern calligraphy, in the form of the broad edged pen as a writing tool, a particular form of calligraphy....

 designs the "Underground" typeface
Johnston (typeface)
Johnston is a humanist sans-serif typeface designed by and named after Edward Johnston. It is well known for its use by Transport for London....

 that now bears his name and is used by Transport for London
Transport for London
Transport for London is the local government body responsible for most aspects of the transport system in Greater London in England. Its role is to implement the transport strategy and to manage transport services across London...

 for all transport related purposes.
1917:Edward Johnston
Edward Johnston
Edward Johnston, CBE was a British-Uruguayan craftsman who is regarded, with Rudolf Koch, as the a father of modern calligraphy, in the form of the broad edged pen as a writing tool, a particular form of calligraphy....

 re-designs the Underground's disk and bar roundel, to suit his new typeface, turning the disk into a ring.
1917:Bakerloo tube
Baker Street and Waterloo Railway
The Baker Street and Waterloo Railway , also known as the Bakerloo tube, was a railway company established in 1893 that constructed a deep-level underground "tube" railway in London...

 extends to Watford Junction
Watford Junction railway station
On 23 January 1975, an express train from Manchester to Euston derailed just south of Watford Junction after striking some stillages that had fallen on to the track. It then collided with a sleeper service from Euston to Glasgow. The driver of the Manchester train was killed, and eight passengers...

.
1919:Sir Albert Stanley
Albert Stanley, 1st Baron Ashfield
Albert Henry Stanley, 1st Baron Ashfield, PC, TD , born Albert Henry Knattriess, was a British-American who was managing director, then chairman of the Underground Electric Railways Company of London from 1910 to 1933 and chairman of the London Passenger Transport Board from 1933 to 1947.Although...

 replaces Lord George Hamilton
Lord George Hamilton
Lord George Francis Hamilton GCSI, PC, JP was a British Conservative Party politician of the late 19th and early 20th centuries.-Background:...

 as Chairman of the Underground Group
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

.

1920s

1920:CLR
Central London Railway
The Central London Railway , also known as the Twopenny Tube, was a deep-level, underground "tube" railway that opened in London in 1900...

 extends from Wood Lane
Wood Lane (Central Line) tube station
Wood Lane tube station is a disused station on the Central Line of the London Underground. It was built to serve the Franco-British Exhibition of 1908 and the 1908 Summer Olympics....

 to Ealing Broadway
Ealing Broadway station
Ealing Broadway is an east-west National Rail and London Underground station in Ealing in west London. The station is located in Haven Green , at the termination of The Broadway, and is in Travelcard Zone 3.-Services:...

.
1922:Underground Group
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

 purchases unbuilt Watford and Edgware Railway
Watford and Edgware Railway
The Watford and Edgware Railway was a railway company established in the 1860s that intended to build a railway that would run between Edgware and Watford, via Bushey...

 to extend the Hampstead tube to Watford
Watford
Watford is a town and borough in Hertfordshire, England, situated northwest of central London and within the bounds of the M25 motorway. The borough is separated from Greater London to the south by the urbanised parish of Watford Rural in the Three Rivers District.Watford was created as an urban...

.
1923:Hampstead tube extends to Hendon Central
Hendon Central tube station
Hendon Central tube station is a London Underground station in North West London on the A41.The station is on the Edgware branch of the Northern Line, between Colindale and Brent Cross stations, and is on the boundary between Travelcard Zone 3 and Zone 4. Its postcode is NW4 2TE...

.
1924:Hampstead tube extends to Edgware
Edgware tube station
Edgware tube station is a London Underground station in Edgware, in the London Borough of Barnet, in North London. The station is the terminus of the Edgware branch of the Northern Line and the next station towards central London is . Edgware is in Travelcard Zone 5.-Location:The station is in...

.
C&SLR extends from Euston
Euston tube station
Euston tube station is a London Underground station served by the Victoria Line and both branches of the Northern Line. It directly connects with the Euston mainline station above it. The station is in Travelcard Zone 1....

 to connect to Hampstead tube at Camden Town
Camden Town tube station
Camden Town tube station is a major junction on the Northern Line and one of the busiest stations on the London Underground network...

.

1925:MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends from Moor Park
Moor Park tube station
Moor Park is a London Underground station in the Three Rivers district of Hertfordshire. The station is outside the Greater London boundary but is in both Zone 6 and Zone 7....

 to Watford
Watford tube station
Watford is a station at the end of the Watford branch of London Underground's Metropolitan Line in the north-western part of the network in Zone 7, previously zone A.-Location and description:...

.
1926:Hampstead tube links Embankment
Embankment tube station
Embankment is a London Underground station in the City of Westminster, known by various names during its history. It is served by the Circle, District, Northern and Bakerloo lines. On the Northern and Bakerloo lines, the station is between Waterloo and Charing Cross stations; on the Circle and...

 to Kennington
Kennington tube station
Kennington tube station is a London Underground station in Newington/ Walworth on Kennington Park Road, on both the Charing Cross and Bank branches of the Northern Line. Its neighbours to the north are Waterloo on the Charing Cross branch and Elephant & Castle on the Bank branch; the next station...

 and C&SLR extends to Morden
Morden tube station
Morden is a London Underground station in Morden in the London Borough of Merton. The station is the southern terminus for the Northern line and is the most southerly station on the Underground network. The next station north is...

, completing the integration of the two lines.
1929:55 Broadway
55 Broadway
55 Broadway is a notable building overlooking St. James's Park in London. It was designed by Charles Holden and built between 1927 and 1929, and in 1931 the building earned him the RIBA London Architecture Medal...

 opens as headquarters of the Underground Group
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

.

1930s

1932: MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 extends to Stanmore
Stanmore tube station
Stanmore tube station is a London Underground station at Stanmore. It is the northern terminus of the Jubilee Line; the previous station is Canons Park. It is in Travelcard Zone 5...

.
Piccadilly line
Piccadilly Line
The Piccadilly line is a line of the London Underground, coloured dark blue on the Tube map. It is the fifth busiest line on the Underground network judged by the number of passengers transported per year. It is mainly a deep-level line, running from the north to the west of London via Zone 1, with...

 extends from Finsbury Park
Finsbury Park station
Finsbury Park Station is a busy transport interchange in North London. The interchange consists of an interconnected National Rail station, London Underground station and two bus stations. The main entrances are by the eastern bus station on Station Place...

 to Arnos Grove
Arnos Grove tube station
Arnos Grove is a London Underground station on the Piccadilly line between Bounds Green and Southgate. It is in Travelcard Zone 4 and is located in Arnos Grove, near Arnos Park on Bowes Road, London. The station and surrounding neighbourhood of Arnos Grove take their names from the Arnos Grove...

.
Piccadilly line
Piccadilly Line
The Piccadilly line is a line of the London Underground, coloured dark blue on the Tube map. It is the fifth busiest line on the Underground network judged by the number of passengers transported per year. It is mainly a deep-level line, running from the north to the west of London via Zone 1, with...

 extends over District line
District Line
The District line is a line of the London Underground, coloured green on the Tube map. It is a "sub-surface" line, running through the central area in shallow cut-and-cover tunnels. It is the busiest of the sub-surface lines. Out of the 60 stations served, 25 are underground...

 from Hammersmith to South Harrow
South Harrow tube station
South Harrow is a London Underground station on the Uxbridge branch of the Piccadilly Line. The station is between Sudbury Hill and Rayners Lane. It is located on Northolt Road . The station is in Travelcard Zone 5...

.
District line
District Line
The District line is a line of the London Underground, coloured green on the Tube map. It is a "sub-surface" line, running through the central area in shallow cut-and-cover tunnels. It is the busiest of the sub-surface lines. Out of the 60 stations served, 25 are underground...

 services restart between Barking
Barking station
Barking station is a railway station served by National Rail and London Underground services. It is located in Barking in the London Borough of Barking and Dagenham in east London, England. The station is in Zone 4, has nine platforms, and is managed by c2c. It has been proposed that ownership of...

 and Upminster
Upminster station
Upminster station is a London Underground and National Rail station located in Upminster in the London Borough of Havering and in London fare zone 6. Located east-northeast of Charing Cross, it is the easternmost station on the London Underground network and the eastern terminus of the District...

.
MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 ends publication of Metro-land.

1933:Piccadilly line
Piccadilly Line
The Piccadilly line is a line of the London Underground, coloured dark blue on the Tube map. It is the fifth busiest line on the Underground network judged by the number of passengers transported per year. It is mainly a deep-level line, running from the north to the west of London via Zone 1, with...

 extends from Arnos Grove
Arnos Grove tube station
Arnos Grove is a London Underground station on the Piccadilly line between Bounds Green and Southgate. It is in Travelcard Zone 4 and is located in Arnos Grove, near Arnos Park on Bowes Road, London. The station and surrounding neighbourhood of Arnos Grove take their names from the Arnos Grove...

 to Cockfosters
Cockfosters tube station
Cockfosters is a London Underground station on the Piccadilly Line for which it is the northern terminus. The station is located on Cockfosters Road approximately 9 miles from central London and serves Cockfosters in the London Borough of Barnet although it is actually located a short distance...

.
Piccadilly line
Piccadilly Line
The Piccadilly line is a line of the London Underground, coloured dark blue on the Tube map. It is the fifth busiest line on the Underground network judged by the number of passengers transported per year. It is mainly a deep-level line, running from the north to the west of London via Zone 1, with...

 extends over District line
District Line
The District line is a line of the London Underground, coloured green on the Tube map. It is a "sub-surface" line, running through the central area in shallow cut-and-cover tunnels. It is the busiest of the sub-surface lines. Out of the 60 stations served, 25 are underground...

 from Acton Town
Acton Town tube station
Acton Town is a London Underground station in Acton, west London, served by the Piccadilly and District lines. The station is at the junction of Gunnersbury Lane and Bollo Lane and is in Travelcard Zone 3.-Services:...

 to Hounslow West
Hounslow West tube station
Hounslow West is a London Underground station in Hounslow in west London. The station is on the Heathrow branch of the Piccadilly Line, between Hatton Cross and Hounslow Central stations. The station is located on Bath Road about 600m from the junction of Bath Road, Great West Road and Great...

 and from South Harrow
South Harrow tube station
South Harrow is a London Underground station on the Uxbridge branch of the Piccadilly Line. The station is between Sudbury Hill and Rayners Lane. It is located on Northolt Road . The station is in Travelcard Zone 5...

 to Uxbridge
Uxbridge tube station
Uxbridge is a London Underground station in Uxbridge in the London Borough of Hillingdon, north-west London. The station is the terminus of the Uxbridge branches of both the Metropolitan Line and the Piccadilly Line. The next station towards London is Hillingdon. The station is 15.5 miles west of...

. District line
District Line
The District line is a line of the London Underground, coloured green on the Tube map. It is a "sub-surface" line, running through the central area in shallow cut-and-cover tunnels. It is the busiest of the sub-surface lines. Out of the 60 stations served, 25 are underground...

 service withdrawn between Acton Town
Acton Town tube station
Acton Town is a London Underground station in Acton, west London, served by the Piccadilly and District lines. The station is at the junction of Gunnersbury Lane and Bollo Lane and is in Travelcard Zone 3.-Services:...

 and Uxbridge
Uxbridge tube station
Uxbridge is a London Underground station in Uxbridge in the London Borough of Hillingdon, north-west London. The station is the terminus of the Uxbridge branches of both the Metropolitan Line and the Piccadilly Line. The next station towards London is Hillingdon. The station is 15.5 miles west of...

.
Underground Group
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

 and MR
Metropolitan railway
Metropolitan Railway can refer to:* Metropolitan line, part of the London Underground* Metropolitan Railway, the first underground railway to be built in London...

 brought under common public control with the formation of the London Passenger Transport Board
London Passenger Transport Board
The London Passenger Transport Board was the organisation responsible for public transport in London, UK, and its environs from 1933 to 1948...

 (LPTB). Lord Ashfield
Albert Stanley, 1st Baron Ashfield
Albert Henry Stanley, 1st Baron Ashfield, PC, TD , born Albert Henry Knattriess, was a British-American who was managing director, then chairman of the Underground Electric Railways Company of London from 1910 to 1933 and chairman of the London Passenger Transport Board from 1933 to 1947.Although...

 and Frank Pick
Frank Pick
Frank Pick LLB Hon. RIBA was a British transport administrator. After qualifying as a solicitor in 1902, he worked at the North Eastern Railway, before moving to the Underground Electric Railways Company of London in 1906...

, formerly chairman and managing director of the Underground Group, become the LPTB's chairman and vice chairman.
LPTB
London Passenger Transport Board
The London Passenger Transport Board was the organisation responsible for public transport in London, UK, and its environs from 1933 to 1948...

 publishes Harry Beck
Harry Beck
Henry Charles Beck , known as Harry Beck, was an English engineering draftsman best known for creating the present London Underground Tube map in 1931. Beck drew up the diagram in his spare time while working as an engineering draftsman at the London Underground Signals Office...

's first design for the Tube Map
Tube map
The Tube map is a schematic transit map representing the lines and stations of London's rapid transit railway systems, namely the London Underground , the Docklands Light Railway and London Overground....

.

1935:Brill Tramway
Brill Tramway
The Brill Tramway, also known as the Quainton Tramway, Wotton Tramway, Oxford & Aylesbury Tramroad and Metropolitan Railway Brill Branch, was a six-mile rail line in the Aylesbury Vale, Buckinghamshire, England...

 closes.
LPTB
London Passenger Transport Board
The London Passenger Transport Board was the organisation responsible for public transport in London, UK, and its environs from 1933 to 1948...

 announces the New Works Programme
New Works Programme
The "New Works Programme, 1935 - 1940" was the major investment programme delivered by the London Passenger Transport Board , commonly known as London Transport, which had been created in 1933 to coordinate underground train, tram, trolleybus and bus services in the capital and the surrounding areas...

, a five-year plan to modernise and extend the Underground network and to take over and electrify a number of main line routes.

1936:Metropolitan line
Metropolitan Line
The Metropolitan line is part of the London Underground. It is coloured in Transport for London's Corporate Magenta on the Tube map and in other branding. It was the first underground railway in the world, opening as the Metropolitan Railway on 10 January 1863...

 closes from Aylesbury
Aylesbury railway station
Aylesbury railway station is a railway station in Aylesbury, Buckinghamshire, England and is a major stop on the London to Aylesbury Line from Marylebone station via Amersham. It is 37.75 miles from Aylesbury Station to Marylebone Station...

 to Verney Junction
Verney Junction railway station
Verney Junction was a railway station at a junction serving four directions between 1868 and 1968 and from where excursions as far as Ramsgate could be booked...

.
1937:The combined Hampstead tube and C&SLR routes are officially renamed the Northern line
Northern Line
The Northern line is a London Underground line. It is coloured black on the Tube map.For most of its length it is a deep-level tube line. The line carries 206,734,000 passengers per year. This is the highest number of any line on the London Underground system, but the Northern line is unique in...

 and the CLR
Central London Railway
The Central London Railway , also known as the Twopenny Tube, was a deep-level, underground "tube" railway that opened in London in 1900...

 is renamed the Central line
Central Line
The Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...

.
1938:Collision of two trains
Charing Cross (District Line) tube crash
The Charing Cross tube crash occurred on 17 May 1938 at about 09:55 hours, between Charing Cross and Temple stations...

 between Embankment
Embankment tube station
Embankment is a London Underground station in the City of Westminster, known by various names during its history. It is served by the Circle, District, Northern and Bakerloo lines. On the Northern and Bakerloo lines, the station is between Waterloo and Charing Cross stations; on the Circle and...

 and Temple
Temple tube station
Temple is a London Underground station in the City of Westminster, between Victoria Embankment and Temple Place. It is on the Circle and District lines between Embankment and Blackfriars and is in Travelcard Zone 1. The station entrance is from Victoria Embankment...

 kills six and injures 45 due to an incorrectly wired signal control.
1939:Bakerloo line
Bakerloo Line
The Bakerloo line is a line of the London Underground, coloured brown on the Tube map. It runs partly on the surface and partly at deep level, from Elephant and Castle in the south-east to Harrow & Wealdstone in the north-west of London. The line serves 25 stations, of which 15 are underground...

 extends from Baker Street
Baker Street tube station
Baker Street tube station is a station on the London Underground at the junction of Baker Street and the Marylebone Road. The station lies in Travelcard Zone 1 and is served by five different lines...

 to Finchley Road
Finchley Road tube station
Finchley Road tube station is a London Underground station at the corner of Finchley Road and Canfield Gardens in the London Borough of Camden, North London. It is on the Jubilee Line, between West Hampstead and Swiss Cottage and on the Metropolitan Line between Baker Street and Wembley Park. It is...

 and takes over Metropolitan line
Metropolitan Line
The Metropolitan line is part of the London Underground. It is coloured in Transport for London's Corporate Magenta on the Tube map and in other branding. It was the first underground railway in the world, opening as the Metropolitan Railway on 10 January 1863...

 services to Stanmore
Stanmore tube station
Stanmore tube station is a London Underground station at Stanmore. It is the northern terminus of the Jubilee Line; the previous station is Canons Park. It is in Travelcard Zone 5...

.
Northern line
Northern Line
The Northern line is a London Underground line. It is coloured black on the Tube map.For most of its length it is a deep-level tube line. The line carries 206,734,000 passengers per year. This is the highest number of any line on the London Underground system, but the Northern line is unique in...

 extends from Archway
Archway tube station
Archway tube station is a London Underground station in north London, underneath the Archway Tower, at the intersection of Holloway Road, Highgate Hill and Junction Road in the area known as Archway....

 to East Finchley
East Finchley tube station
East Finchley is a London Underground station in East Finchley in north London. The station is on the High Barnet branch of the Northern Line, between Highgate and Finchley Central stations, and is in Travelcard Zone 3.-History:...

.
LPTB
London Passenger Transport Board
The London Passenger Transport Board was the organisation responsible for public transport in London, UK, and its environs from 1933 to 1948...

 suspends majority of New Works Programme
New Works Programme
The "New Works Programme, 1935 - 1940" was the major investment programme delivered by the London Passenger Transport Board , commonly known as London Transport, which had been created in 1933 to coordinate underground train, tram, trolleybus and bus services in the capital and the surrounding areas...

 following outbreak of Second World War.
District line
District Line
The District line is a line of the London Underground, coloured green on the Tube map. It is a "sub-surface" line, running through the central area in shallow cut-and-cover tunnels. It is the busiest of the sub-surface lines. Out of the 60 stations served, 25 are underground...

 ends excursion services to Southend-on-Sea
Southend-on-Sea
Southend-on-Sea is a unitary authority area, town, and seaside resort in Essex, England. The district has Borough status, and comprises the towns of Chalkwell, Eastwood, Leigh-on-Sea, North Shoebury, Prittlewell, Shoeburyness, Southchurch, Thorpe Bay, and Westcliff-on-Sea. The district is situated...

.

1940s

1940:Northern line
Northern Line
The Northern line is a London Underground line. It is coloured black on the Tube map.For most of its length it is a deep-level tube line. The line carries 206,734,000 passengers per year. This is the highest number of any line on the London Underground system, but the Northern line is unique in...

 extends over former EH&LR
Edgware, Highgate and London Railway
The Edgware, Highgate and London Railway was a railway in north London. The railway was a precursor of parts of London Underground's Northern Line and was, in the 1930s the core of an ambitious expansion plan for that line which was thwarted by the Second World War...

 route to High Barnet
High Barnet tube station
High Barnet tube station is a London Underground station located in High Barnet in North London. The station is the terminus of the High Barnet branch of the Northern line and is in Travelcard Zone 5. It is the northernmost station on the Northern line and is situated 10.2 miles north north-west...

.
Metropolitan line
Metropolitan Line
The Metropolitan line is part of the London Underground. It is coloured in Transport for London's Corporate Magenta on the Tube map and in other branding. It was the first underground railway in the world, opening as the Metropolitan Railway on 10 January 1863...

 services withdrawn between Latimer Road
Latimer Road tube station
Latimer Road Station is a London Underground station in North Kensington on the Circle and Hammersmith & City lines between Wood Lane and Ladbroke Grove stations...

 and Kensington Olympia following bomb damage at Uxbridge Road
Uxbridge Road tube station
Uxbridge Road was a London Underground station on a branch of the Metropolitan Line. It was located at the eastern end of the Uxbridge Road in Shepherd's Bush, west London, UK, just before the start of Holland Park Avenue, a short distance from Shepherd's Bush station on the Central Line...

.
Londoners use the deep tube platforms as air-raid shelter
Air-raid shelter
Air-raid shelters, also known as bomb shelters, are structures for the protection of the civil population as well as military personnel against enemy attacks from the air...

s in the London Blitz
The Blitz
The Blitz was the sustained strategic bombing of Britain by Nazi Germany between 7 September 1940 and 10 May 1941, during the Second World War. The city of London was bombed by the Luftwaffe for 76 consecutive nights and many towns and cities across the country followed...

. Hits by German bombs during this period kill passengers and shelterers at Charing Cross
Charing Cross tube station
Charing Cross tube station is a London Underground station at Charing Cross in the City of Westminster with entrances located in Trafalgar Square and The Strand. The station is served by the Northern and Bakerloo lines and provides an interchange with the National Rail network at station...

 (7 killed), Bounds Green
Bounds Green tube station
Bounds Green tube station is a London Underground station, located at the junction of Bounds Green Road and Brownlow Road, in North London.The station is on the Piccadilly Line, between Wood Green and Arnos Grove stations, and is on the boundary between Travelcard Zone 3 and fare_zone 4.Like all ...

 (19 killed), Balham
Balham station
Balham station consists of two adjacent stations located in the Balham area of south London, England...

 (68 killed), Tottenham Court Road
Tottenham Court Road tube station
Tottenham Court Road is a London Underground station in central London. It is an interchange between the Central line and the branch of the Northern line.On the Central line it is between and , and on the Northern line it is between and...

 (1 killed) and Camden Town
Camden Town tube station
Camden Town tube station is a major junction on the Northern Line and one of the busiest stations on the London Underground network...

 (1 killed).

1941:Northern line
Northern Line
The Northern line is a London Underground line. It is coloured black on the Tube map.For most of its length it is a deep-level tube line. The line carries 206,734,000 passengers per year. This is the highest number of any line on the London Underground system, but the Northern line is unique in...

 extends over former EH&LR
Edgware, Highgate and London Railway
The Edgware, Highgate and London Railway was a railway in north London. The railway was a precursor of parts of London Underground's Northern Line and was, in the 1930s the core of an ambitious expansion plan for that line which was thwarted by the Second World War...

 route to Mill Hill East
Mill Hill East tube station
Mill Hill East tube station is a London Underground station in Mill Hill in North London.The station is on the High Barnet branch of the Northern Line, and is the terminus, and only station, of a branch from Finchley Central station...

.
Uncompleted new Northern line
Northern Line
The Northern line is a London Underground line. It is coloured black on the Tube map.For most of its length it is a deep-level tube line. The line carries 206,734,000 passengers per year. This is the highest number of any line on the London Underground system, but the Northern line is unique in...

 depot at Aldenham
Aldenham Works
The Aldenham Works, or Aldenham Bus Overhaul Works, was the main London Transport Bus overhaul works. It was located on the edge of the Hertfordshire village of Elstree and not Aldenham despite being officially called Aldenham Works. In its heyday, 50 buses a week were overhauled there, and it was...

 converted for the construction of Halifax bombers
Handley Page Halifax
The Handley Page Halifax was one of the British front-line, four-engined heavy bombers of the Royal Air Force during the Second World War. A contemporary of the famous Avro Lancaster, the Halifax remained in service until the end of the war, performing a variety of duties in addition to bombing...

.
Plessey
Plessey
The Plessey Company plc was a British-based international electronics, defence and telecommunications company. It originated in 1917, growing and diversifying into electronics. It expanded after the second world war by acquisition of companies and formed overseas companies...

 uses unopened Central line
Central Line
The Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...

 tunnels between Wanstead
Wanstead tube station
Wanstead tube station is a London Underground station in Wanstead, on the Hainault loop of the Central Line. It is in Zone 4.Construction of the station had started in the 1930s, but was delayed by the onset of World War 2. Wanstead was not opened until December 14, 1947...

 and Gants Hill
Gants Hill tube station
Gants Hill tube station is a London Underground station in Gants Hill, in the London Borough of Redbridge. It is served by the Central Line and is in Zone 4. It is the easternmost station to be entirely below ground on the London Underground network....

 as an underground factory.
A German bomb explodes in the Central line
Central Line
The Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...

 ticket hall at Bank, killing 56 people.

1943: Panic in a crowd entering the air-raid shelter at the unopened station at Bethnal Green
Bethnal Green tube station
Bethnal Green tube station is a station on the Central Line of the London Underground in Bethnal Green, East London. It lies between Liverpool Street and Mile End stations, and in Travelcard Zone 2. The station was opened as part of the long planned Central Line eastern extension on 4 December...

 causes the death of 173 people by crushing.
1946:Central line
Central Line
The Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...

 extends from Liverpool Street
Liverpool Street station
Liverpool Street railway station, also known as London Liverpool Street or simply Liverpool Street, is both a central London railway terminus and a connected London Underground station in the north-eastern corner of the City of London, England...

 to Stratford
Stratford station
Stratford station is a large multilevel railway station in Stratford, east London. The station is served by the National Rail services National Express East Anglia, London Overground and c2c, by London Underground's Central and Jubilee lines, and by the Docklands Light Railway . Stratford is in...

.
1947:Central line
Central Line
The Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...

 extends from Stratford
Stratford station
Stratford station is a large multilevel railway station in Stratford, east London. The station is served by the National Rail services National Express East Anglia, London Overground and c2c, by London Underground's Central and Jubilee lines, and by the Docklands Light Railway . Stratford is in...

 over former ECR
Eastern Counties Railway
The Eastern Counties Railway was an early English railway company incorporated in 1836. It was intended to link London with Ipswich via Colchester, and then on to Norwich and Yarmouth. Construction began in late March 1837 on the first nine miles, at the London end of the line.Construction was...

 and GNR
Great Northern Railway (Great Britain)
The Great Northern Railway was a British railway company established by the Great Northern Railway Act of 1846. On 1 January 1923 the company lost its identity as a constituent of the newly formed London and North Eastern Railway....

 routes to Woodford
Woodford tube station
Woodford is a London Underground station in Woodford in the London Borough of Redbridge, United Kingdom.The station is on the Central Line between South Woodford and Buckhurst Hill. The station is also a terminus for services via the Hainault loop....

 and Newbury Park
Newbury Park tube station
Newbury Park tube station is a London Underground station in Newbury Park, in the London Borough of Redbridge. It is on the Hainault loop of the Central Line, in Zone 4....

 and from North Acton
North Acton tube station
North Acton tube station is in North Acton, west London in the London Borough of Ealing. The station is on the Central line of the London Underground, between East Acton and Hanger Lane...

 over GWR
Great Western Railway
The Great Western Railway was a British railway company that linked London with the south-west and west of England and most of Wales. It was founded in 1833, received its enabling Act of Parliament in 1835 and ran its first trains in 1838...

 route to Greenford
Greenford station
Greenford station is a London Underground and National Rail station in Greenford, Greater London, and is owned and managed by LUL. It is the terminus of the National Rail Greenford Branch Line, and is in Travelcard Zone 4.-History:...

.
Lord Ashfield
Albert Stanley, 1st Baron Ashfield
Albert Henry Stanley, 1st Baron Ashfield, PC, TD , born Albert Henry Knattriess, was a British-American who was managing director, then chairman of the Underground Electric Railways Company of London from 1910 to 1933 and chairman of the London Passenger Transport Board from 1933 to 1947.Although...

 retires from LPTB.

1948:The government nationalises
Nationalization
Nationalisation, also spelled nationalization, is the process of taking an industry or assets into government ownership by a national government or state. Nationalization usually refers to private assets, but may also mean assets owned by lower levels of government, such as municipalities, being...

 all London Transport operations and the London Transport Executive
London Transport Executive
The London Transport Executive was the organisation responsible for public transport in the Greater London area, UK, between 1948-1962. In common with all London transport authorities from 1933 to 2000, the public name and operational brand of the organisation was London Transport.-Creation:On 1...

 (LTE) replaces LPTB
London Passenger Transport Board
The London Passenger Transport Board was the organisation responsible for public transport in London, UK, and its environs from 1933 to 1948...

.
Central line
Central Line
The Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...

 extends over former ECR
Eastern Counties Railway
The Eastern Counties Railway was an early English railway company incorporated in 1836. It was intended to link London with Ipswich via Colchester, and then on to Norwich and Yarmouth. Construction began in late March 1837 on the first nine miles, at the London end of the line.Construction was...

 and GNR
Great Northern Railway (Great Britain)
The Great Northern Railway was a British railway company established by the Great Northern Railway Act of 1846. On 1 January 1923 the company lost its identity as a constituent of the newly formed London and North Eastern Railway....

 routes to Roding Valley
Roding Valley tube station
Roding Valley is a London Underground station situated in Buckhurst Hill in the Epping Forest district of Essex immediately to the north of the border with Woodford in the London Borough of Redbridge. The station is between Chigwell and Woodford stations, on the Central Line. It is located in...

 and Loughton
Loughton tube station
Loughton is a London Underground station, some two miles north of the Greater London boundary, in the Epping Forest district of Essex.It is served by the Central Line and lies between Buckhurst Hill and Debden...

 and over GWR
Great Western Railway
The Great Western Railway was a British railway company that linked London with the south-west and west of England and most of Wales. It was founded in 1833, received its enabling Act of Parliament in 1835 and ran its first trains in 1838...

 route to West Ruislip
West Ruislip station
West Ruislip is a Network Rail station located on Ickenham Road between Ickenham and Ruislip in western Greater London; it is served by both London Underground and National Rail trains on independent platforms....

.

1949:Central line
Central Line
The Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...

 extends over former ECR
Eastern Counties Railway
The Eastern Counties Railway was an early English railway company incorporated in 1836. It was intended to link London with Ipswich via Colchester, and then on to Norwich and Yarmouth. Construction began in late March 1837 on the first nine miles, at the London end of the line.Construction was...

 route to Ongar.
Circle line appears on tube maps as a separate service for the first time.

1950s

1950:LTE
London Transport Executive
The London Transport Executive was the organisation responsible for public transport in the Greater London area, UK, between 1948-1962. In common with all London transport authorities from 1933 to 2000, the public name and operational brand of the organisation was London Transport.-Creation:On 1...

 abandons New Works Programme
New Works Programme
The "New Works Programme, 1935 - 1940" was the major investment programme delivered by the London Passenger Transport Board , commonly known as London Transport, which had been created in 1933 to coordinate underground train, tram, trolleybus and bus services in the capital and the surrounding areas...

 Northern line
Northern Line
The Northern line is a London Underground line. It is coloured black on the Tube map.For most of its length it is a deep-level tube line. The line carries 206,734,000 passengers per year. This is the highest number of any line on the London Underground system, but the Northern line is unique in...

 extension to Bushey Heath
Bushey Heath tube station
Bushey Heath tube station was an unbuilt London Underground station in Bushey Heath, Hertfordshire. The planned location of the station was at the junction of the A41 and A411 roads.-History:...

 due to introduction of the Metropolitan Green Belt
Metropolitan Green Belt
The Metropolitan Green Belt is a statutory green belt around London, England. It includes designated parts of Greater London and the surrounding counties of Bedfordshire, Berkshire, Buckinghamshire, Essex, Hertfordshire, Kent and Surrey in the South East and East of England regions.-History:The...

 preventing development in the areas to be served.
1953:LTE
London Transport Executive
The London Transport Executive was the organisation responsible for public transport in the Greater London area, UK, between 1948-1962. In common with all London transport authorities from 1933 to 2000, the public name and operational brand of the organisation was London Transport.-Creation:On 1...

 abandons take-over of former EH&LR
Edgware, Highgate and London Railway
The Edgware, Highgate and London Railway was a railway in north London. The railway was a precursor of parts of London Underground's Northern Line and was, in the 1930s the core of an ambitious expansion plan for that line which was thwarted by the Second World War...

 line between Mill Hill East
Mill Hill East tube station
Mill Hill East tube station is a London Underground station in Mill Hill in North London.The station is on the High Barnet branch of the Northern Line, and is the terminus, and only station, of a branch from Finchley Central station...

 and Edgware
Edgware tube station
Edgware tube station is a London Underground station in Edgware, in the London Borough of Barnet, in North London. The station is the terminus of the Edgware branch of the Northern Line and the next station towards central London is . Edgware is in Travelcard Zone 5.-Location:The station is in...

 due to diminished expected passenger numbers and lack of funds.
A rear-end collision
Stratford tube crash
The Stratford tube crash occurred on 8 April 1953, on the Central Line of the London Underground. 12 people were killed as a result of a rear-end collision in a tunnel, caused by driver error after a signal failure....

 between two trains on the Central line
Central Line
The Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...

 between Stratford
Stratford station
Stratford station is a large multilevel railway station in Stratford, east London. The station is served by the National Rail services National Express East Anglia, London Overground and c2c, by London Underground's Central and Jubilee lines, and by the Docklands Light Railway . Stratford is in...

 and Leyton
Leyton tube station
Leyton tube station is a London Underground station at Leyton. Situated opposite Leyton Mills at the end of Leyton High Street. It is on the Central Line between Stratford and Leytonstone. It is in zone 3.-History:...

 kills 12 passengers.

1955:Aldenham depot
Aldenham Works
The Aldenham Works, or Aldenham Bus Overhaul Works, was the main London Transport Bus overhaul works. It was located on the edge of the Hertfordshire village of Elstree and not Aldenham despite being officially called Aldenham Works. In its heyday, 50 buses a week were overhauled there, and it was...

 opens as bus overhaul works.
1956:Parliament grants approval for the construction of the Victoria line
Victoria Line
The Victoria line is a deep-level London Underground line running from the south to the north-east of London. It is coloured light blue on the Tube map...

.
1957:Electric tube trains replace steam-hauled shuttles between Epping
Epping tube station
Epping on the London Underground is the north-eastern terminus of the Central Line. The station before Epping is Theydon Bois, which is about three minutes travelling time away. Epping station is in the Epping Forest District of Essex...

 and Ongar.
1959:District line
District Line
The District line is a line of the London Underground, coloured green on the Tube map. It is a "sub-surface" line, running through the central area in shallow cut-and-cover tunnels. It is the busiest of the sub-surface lines. Out of the 60 stations served, 25 are underground...

 spur between Acton Town
Acton Town tube station
Acton Town is a London Underground station in Acton, west London, served by the Piccadilly and District lines. The station is at the junction of Gunnersbury Lane and Bollo Lane and is in Travelcard Zone 3.-Services:...

 and South Acton
South Acton railway station
South Acton railway station is in the London Borough of Ealing in South Acton, west London. It is on the North London Line, and the station and all trains serving it are operated by London Overground. It is in Travelcard Zone 3...

 is closed.

1960s

1960: The last published underground map designed by Harry Beck
Harry Beck
Henry Charles Beck , known as Harry Beck, was an English engineering draftsman best known for creating the present London Underground Tube map in 1931. Beck drew up the diagram in his spare time while working as an engineering draftsman at the London Underground Signals Office...

 is released.
Electric tube trains replace steam-hauled shuttles between Chalfont & Latimer
Chalfont & Latimer station
Chalfont & Latimer station is a London Underground and National Rail station in Travelcard Zone 8 on the Metropolitan Line, in Buckinghamshire. It is the junction between the through service to and a shuttle service every half an hour to...

 and Chesham
Chesham tube station
Chesham lies at the end of the Metropolitan Line Chesham branch, and opened on 8 July 1889 as the original northern terminus of the Metropolitan Railway from . The station is a Grade II listed building. There is no station starter signal at Chesham. The branch has no intermediate stations...

.

1961: Metropolitan line
Metropolitan Line
The Metropolitan line is part of the London Underground. It is coloured in Transport for London's Corporate Magenta on the Tube map and in other branding. It was the first underground railway in the world, opening as the Metropolitan Railway on 10 January 1863...

 services withdrawn between Aylesbury
Aylesbury railway station
Aylesbury railway station is a railway station in Aylesbury, Buckinghamshire, England and is a major stop on the London to Aylesbury Line from Marylebone station via Amersham. It is 37.75 miles from Aylesbury Station to Marylebone Station...

 and Amersham
Amersham station
Amersham station is a London Underground and National Rail station in the town of Amersham, in the Chiltern district of Buckinghamshire, England.Amersham station is a terminus of the London Underground's Metropolitan Line...

.
1963: London Transport Board
London Transport Board
The London Transport Board was the organisation responsible for public transport in London, UK, and its environs from 1963-1969. In common with all London transport authorities from 1933 to 2000, the public name and operational brand of the organisation was London Transport.-History:The...

 (LTB) replaces LTE
London Transport Executive
The London Transport Executive was the organisation responsible for public transport in the Greater London area, UK, between 1948-1962. In common with all London transport authorities from 1933 to 2000, the public name and operational brand of the organisation was London Transport.-Creation:On 1...

.
1964: District line
District Line
The District line is a line of the London Underground, coloured green on the Tube map. It is a "sub-surface" line, running through the central area in shallow cut-and-cover tunnels. It is the busiest of the sub-surface lines. Out of the 60 stations served, 25 are underground...

 services withdrawn between Acton Town
Acton Town tube station
Acton Town is a London Underground station in Acton, west London, served by the Piccadilly and District lines. The station is at the junction of Gunnersbury Lane and Bollo Lane and is in Travelcard Zone 3.-Services:...

 and Hounslow West
Hounslow West tube station
Hounslow West is a London Underground station in Hounslow in west London. The station is on the Heathrow branch of the Piccadilly Line, between Hatton Cross and Hounslow Central stations. The station is located on Bath Road about 600m from the junction of Bath Road, Great West Road and Great...

.
Northern City line
Northern City Line
The Northern City Line is a railway line from Moorgate to Finsbury Park in London, once part of the Great Northern Electrics line. It should not be confused with the City branch of the Northern line, nor with the North London Line...

 services withdrawn between Drayton Park
Drayton Park railway station
Drayton Park railway station is on the Network Rail Northern City Line which carries First Capital Connect services between Moorgate and Welwyn Garden City or Hertford via Finsbury Park...

 and Finsbury Park
Finsbury Park station
Finsbury Park Station is a busy transport interchange in North London. The interchange consists of an interconnected National Rail station, London Underground station and two bus stations. The main entrances are by the eastern bus station on Station Place...

 to allow the tunnels to be reused for the Victoria line
Victoria Line
The Victoria line is a deep-level London Underground line running from the south to the north-east of London. It is coloured light blue on the Tube map...

.
Experimental automatic ticket gates installed at Stamford Brook
Stamford Brook tube station
Stamford Brook is a London Underground station on the eastern edge of Chiswick in west London. The station is served by the District Line and is between Ravenscourt Park and Turnham Green stations. The main entrance is located on Goldhawk Road with a secondary entrance on Prebend Gardens. It is in...

, Chiswick Park
Chiswick Park tube station
Chiswick Park is a London Underground station in Chiswick in west London. The station is served by the District Line and is between Turnham Green and Acton Town stations...

 and Ravenscourt Park
Ravenscourt Park tube station
Ravenscourt Park is a London Underground station located in west Hammersmith, west London. The station is served by the District Line and is between Hammersmith and Stamford Brook stations....

 stations.
World's first automatic trains brought into service on Central line
Central Line
The Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...

 between Hainault
Hainault tube station
Hainault is a London Underground station on the Central Line in Hainault in the London Borough of Redbridge. Since 2 January 2007 the station is in Travelcard Zone 4. This station is home to one of the three Central Line depots.-History:...

 and Woodford
Woodford tube station
Woodford is a London Underground station in Woodford in the London Borough of Redbridge, United Kingdom.The station is on the Central Line between South Woodford and Buckhurst Hill. The station is also a terminus for services via the Hainault loop....

 to test Victoria line
Victoria Line
The Victoria line is a deep-level London Underground line running from the south to the north-east of London. It is coloured light blue on the Tube map...

 operating systems.

1968:Victoria line
Victoria Line
The Victoria line is a deep-level London Underground line running from the south to the north-east of London. It is coloured light blue on the Tube map...

 opens between Walthamstow Central
Walthamstow Central station
Walthamstow Central is a London Underground and commuter rail station. It is the terminus of the Victoria line, and is on the branch of the London commuter rail network operated by National Express East Anglia...

 and Warren Street
Warren Street tube station
Warren Street tube station is a London Underground station, located at the intersection of Tottenham Court Road and Euston Road. It is on the branch of the Northern Line, between and , and the Victoria Line between and Euston. It is in Travelcard Zone 1 and is the nearest tube station to...

.
1969:Victoria line
Victoria Line
The Victoria line is a deep-level London Underground line running from the south to the north-east of London. It is coloured light blue on the Tube map...

 extends to Victoria.

1970s

1970: Greater London Council
Greater London Council
The Greater London Council was the top-tier local government administrative body for Greater London from 1965 to 1986. It replaced the earlier London County Council which had covered a much smaller area...

 (GLC) takes control of management of London Underground from London Transport Board
London Transport Board
The London Transport Board was the organisation responsible for public transport in London, UK, and its environs from 1963-1969. In common with all London transport authorities from 1933 to 2000, the public name and operational brand of the organisation was London Transport.-History:The...

 controlling the Underground through a new London Transport Executive
London Transport Executive (GLC)
The London Transport Executive was the executive agency within the Greater London Council, responsible for public transport in Greater London from 1970 to 1984...

 (LTE).
1971:Victoria line
Victoria Line
The Victoria line is a deep-level London Underground line running from the south to the north-east of London. It is coloured light blue on the Tube map...

 extends to Brixton
Brixton tube station
Brixton tube station, a station on the London Underground opened on July 23, 1971, is the southern terminus of the Victoria line.It is located in Brixton Road, and is about 100m from Brixton railway station . From the ticket hall, three escalators take passengers to and from the platforms...

.
London Underground withdraws last operational steam locomotives from service.

1975:Moorgate tube crash
Moorgate tube crash
The Moorgate tube crash was a railway disaster on the London Underground, which occurred on 28 February 1975 at 08.46 am.A southbound train on the Northern Line crashed into the tunnel end beyond the platform at Moorgate station...

 kills 43 when a southbound Northern line (Highbury Branch)
Northern City Line
The Northern City Line is a railway line from Moorgate to Finsbury Park in London, once part of the Great Northern Electrics line. It should not be confused with the City branch of the Northern line, nor with the North London Line...

 train fails to stop and crashes into the headwall of the tunnel.
Piccadilly line
Piccadilly Line
The Piccadilly line is a line of the London Underground, coloured dark blue on the Tube map. It is the fifth busiest line on the Underground network judged by the number of passengers transported per year. It is mainly a deep-level line, running from the north to the west of London via Zone 1, with...

 extends from Hounslow West to Hatton Cross
Hatton Cross tube station
Hatton Cross tube station is on the Heathrow branch of the London Underground Piccadilly line. It is in Travelcard Zones 5 and 6 and stands between the Great South West Road and the Heathrow Airport Southern Perimeter Road....

.

1976:Northern line (Highbury Branch)
Northern City Line
The Northern City Line is a railway line from Moorgate to Finsbury Park in London, once part of the Great Northern Electrics line. It should not be confused with the City branch of the Northern line, nor with the North London Line...

 transfers to British Rail
British Rail
British Railways , which from 1965 traded as British Rail, was the operator of most of the rail transport in Great Britain between 1948 and 1997. It was formed from the nationalisation of the "Big Four" British railway companies and lasted until the gradual privatisation of British Rail, in stages...

 operation.
During a bombing campaign against the Underground, an Irish Republican Army
Irish Republican Army
The Irish Republican Army was an Irish republican revolutionary military organisation. It was descended from the Irish Volunteers, an organisation established on 25 November 1913 that staged the Easter Rising in April 1916...

 (IRA) gunman detonates a bomb on a train and kills the driver and injures a bystander while trying to escape.

1977:Piccadilly line
Piccadilly Line
The Piccadilly line is a line of the London Underground, coloured dark blue on the Tube map. It is the fifth busiest line on the Underground network judged by the number of passengers transported per year. It is mainly a deep-level line, running from the north to the west of London via Zone 1, with...

 extends from Hatton Cross to Heathrow Terminals 1, 2, 3.
1979:Jubilee line
Jubilee Line
The Jubilee line is a line on the London Underground , in the United Kingdom. It was built in two major sections—initially to Charing Cross, in central London, and later extended, in 1999, to Stratford, in east London. The later stations are larger and have special safety features, both aspects...

 opens between Baker Street and Charing Cross
Charing Cross tube station
Charing Cross tube station is a London Underground station at Charing Cross in the City of Westminster with entrances located in Trafalgar Square and The Strand. The station is served by the Northern and Bakerloo lines and provides an interchange with the National Rail network at station...

 and takes over Bakerloo line
Bakerloo Line
The Bakerloo line is a line of the London Underground, coloured brown on the Tube map. It runs partly on the surface and partly at deep level, from Elephant and Castle in the south-east to Harrow & Wealdstone in the north-west of London. The line serves 25 stations, of which 15 are underground...

 service to Stanmore
Stanmore tube station
Stanmore tube station is a London Underground station at Stanmore. It is the northern terminus of the Jubilee Line; the previous station is Canons Park. It is in Travelcard Zone 5...

.

1980s

1980:London Transport Museum opens in Covent Garden
Covent Garden
Covent Garden is a district in London on the eastern fringes of the West End, between St. Martin's Lane and Drury Lane. It is associated with the former fruit and vegetable market in the central square, now a popular shopping and tourist site, and the Royal Opera House, which is also known as...

.
1981:GLC
Greater London Council
The Greater London Council was the top-tier local government administrative body for Greater London from 1965 to 1986. It replaced the earlier London County Council which had covered a much smaller area...

 introduces Fares Fair policy to reduce ticket prices by increasing London Transport subsidies from local rates
Rates (tax)
Rates are a type of property tax system in the United Kingdom, and in places with systems deriving from the British one, the proceeds of which are used to fund local government...

.
1982: Fares Fair policy ends following legal challenge from Bromley London Borough Council
London Borough of Bromley
The London Borough of Bromley is a London borough of south east London, England and forms part of Outer London. The principal town in the borough is Bromley.-Geography:...

, which does not have any Underground services.
Bakerloo line
Bakerloo Line
The Bakerloo line is a line of the London Underground, coloured brown on the Tube map. It runs partly on the surface and partly at deep level, from Elephant and Castle in the south-east to Harrow & Wealdstone in the north-west of London. The line serves 25 stations, of which 15 are underground...

 withdraws services between Stonebridge Park
Stonebridge Park station
Stonebridge Park station is a Network Rail station in Tokyngton, in the London Borough of Brent. It is served by London Overground and London Underground services, which use the same platforms....

 and Watford Junction.

1983: LTE
London Transport Executive (GLC)
The London Transport Executive was the executive agency within the Greater London Council, responsible for public transport in Greater London from 1970 to 1984...

 introduces Travelcard
Travelcard
The Travelcard is an inter-modal travel ticket for unlimited use on the London Underground, London Overground, Docklands Light Railway, Tramlink, London Buses and National Rail services in the Greater London area. Travelcards can be purchased for a period of time varying from one day to a year,...

 and divides network into five fare zones.
1984:Bakerloo line
Bakerloo Line
The Bakerloo line is a line of the London Underground, coloured brown on the Tube map. It runs partly on the surface and partly at deep level, from Elephant and Castle in the south-east to Harrow & Wealdstone in the north-west of London. The line serves 25 stations, of which 15 are underground...

 restarts services between Stonebridge Park and Harrow & Wealdstone.
Fire at Oxford Circus
Oxford Circus fire
The Oxford Circus fire occurred on Friday 23 November 1984 at 9:50 p.m. at the London Underground Oxford Circus station. Oxford Circus station is in the heart of London's shopping district and is served by three deep-level tube lines; the Bakerloo Line, Central Line and Victoria Lines...

 guts the northbound Victoria line
Victoria Line
The Victoria line is a deep-level London Underground line running from the south to the north-east of London. It is coloured light blue on the Tube map...

 platform and damages adjacent northbound Bakerloo line
Bakerloo Line
The Bakerloo line is a line of the London Underground, coloured brown on the Tube map. It runs partly on the surface and partly at deep level, from Elephant and Castle in the south-east to Harrow & Wealdstone in the north-west of London. The line serves 25 stations, of which 15 are underground...

 platform.
London Regional Transport
London Regional Transport
London Regional Transport was the organisation responsible for the public transport network in Greater London, UK from 1984-2000. In common with all London transport authorities from 1933 to 2000, the public name and operational brand of the organisation was London Transport.The organisation was...

 (LRT) replaces LTE
London Transport Executive (GLC)
The London Transport Executive was the executive agency within the Greater London Council, responsible for public transport in Greater London from 1970 to 1984...

, removing control of the transport in London from the GLC
Greater London Council
The Greater London Council was the top-tier local government administrative body for Greater London from 1965 to 1986. It replaced the earlier London County Council which had covered a much smaller area...

.

1985:LRT
London Regional Transport
London Regional Transport was the organisation responsible for the public transport network in Greater London, UK from 1984-2000. In common with all London transport authorities from 1933 to 2000, the public name and operational brand of the organisation was London Transport.The organisation was...

 establishes its wholly owned subsidiary, London Underground Limited, to manage the Underground.
1986:Piccadilly line
Piccadilly Line
The Piccadilly line is a line of the London Underground, coloured dark blue on the Tube map. It is the fifth busiest line on the Underground network judged by the number of passengers transported per year. It is mainly a deep-level line, running from the north to the west of London via Zone 1, with...

 opens Heathrow loop and Heathrow Terminal 4
Heathrow Terminal 4 tube station
Heathrow Terminal 4 is a London Underground station at Heathrow Airport on the Heathrow branch of the Piccadilly Line. The station is situated in Travelcard Zone 6.The station opened on the 12 April 1986 to serve the then recently opened Heathrow Terminal 4...

.
1987:Fire at King's Cross
King's Cross fire
The King's Cross St. Pancras tube station fire was a fatal fire on the London Underground. It broke out at approximately 19:30 on 18 November 1987, and killed 31 people....

 kills 31 people when a blaze breaks out in a Piccadilly line
Piccadilly Line
The Piccadilly line is a line of the London Underground, coloured dark blue on the Tube map. It is the fifth busiest line on the Underground network judged by the number of passengers transported per year. It is mainly a deep-level line, running from the north to the west of London via Zone 1, with...

 escalator.
The first lines of the Docklands Light Railway
Docklands Light Railway
The Docklands Light Railway is an automated light metro or light rail system opened on 31 August 1987 to serve the redeveloped Docklands area of London...

 open, between Tower Gateway
Tower Gateway DLR station
Tower Gateway is a Docklands Light Railway station near the Tower of London. It is in Travelcard Zone 1. It adjoins the tracks to Fenchurch Street station and is on the site of the closed Minories railway station....

, Stratford
Stratford station
Stratford station is a large multilevel railway station in Stratford, east London. The station is served by the National Rail services National Express East Anglia, London Overground and c2c, by London Underground's Central and Jubilee lines, and by the Docklands Light Railway . Stratford is in...

 and Island Gardens
Island Gardens DLR station
Island Gardens DLR station is a Docklands Light Railway station on the Isle of Dogs, just north of the River Thames. It is in Travelcard Zone 2.The station is close to the southern tip of the Isle of Dogs and the River Thames...

.

1990s

1990:Hammersmith & City line
Hammersmith & City Line
The Hammersmith & City line is a subsurface London Underground line. It connects Hammersmith in the west with Barking in the east, running through the northern part of central London. It is coloured salmon pink on the Tube map...

 appears on the Tube map independently of the Metropolitan line
Metropolitan Line
The Metropolitan line is part of the London Underground. It is coloured in Transport for London's Corporate Magenta on the Tube map and in other branding. It was the first underground railway in the world, opening as the Metropolitan Railway on 10 January 1863...

 for the first time.
1991:Travelcard Zone 5
Travelcard Zone 5
Fare zone 5 is an outer zone of Transport for London's zonal fare system used for calculating the price of tickets for travel on the London Underground, London Overground, Docklands Light Railway and, since 2007, on National Rail services. The zone was created in May 1983 and in January 1991 part...

 split to create a new Travelcard Zone 6
Travelcard Zone 6
Fare zone 6 is an outer zone of Transport for London's zonal fare system used for calculating the price of tickets for travel on the London Underground, London Overground, Docklands Light Railway and, since 2007, on National Rail services. The zone was created in January 1991; from May 1983 it had...

.
1994:Waterloo & City line
Waterloo & City Line
The Waterloo & City line is a short underground railway line in London, which was formally opened on 11 July 1898. It has only two stations, Waterloo and Bank...

 transfers from British Rail
British Rail
British Railways , which from 1965 traded as British Rail, was the operator of most of the rail transport in Great Britain between 1948 and 1997. It was formed from the nationalisation of the "Big Four" British railway companies and lasted until the gradual privatisation of British Rail, in stages...

 to London Underground ownership.
Piccadilly line
Piccadilly Line
The Piccadilly line is a line of the London Underground, coloured dark blue on the Tube map. It is the fifth busiest line on the Underground network judged by the number of passengers transported per year. It is mainly a deep-level line, running from the north to the west of London via Zone 1, with...

's Aldwych
Aldwych tube station
Aldwych is a closed London Underground station in the City of Westminster, originally opened as Strand in 1907. It was the terminus and only station on the short Piccadilly line branch from Holborn that was a relic of the merger of two railway schemes. The disused station building is close to the...

 branch closes.
Central line
Central Line
The Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...

's Epping
Epping tube station
Epping on the London Underground is the north-eastern terminus of the Central Line. The station before Epping is Theydon Bois, which is about three minutes travelling time away. Epping station is in the Epping Forest District of Essex...

 to Ongar
Ongar tube station
Ongar tube station is a former London Underground station in the town of Chipping Ongar, Essex. Until its closure in 1994, it was the easternmost point of the Central line, and from 1961 until closure, it held the distinction of being the London Underground station farthest from Central...

 section closes.

1995:East London line
East London Line
The East London Line is a London Overground line which runs north to south through the East End, Docklands and South areas of London.Built in 1869 by the East London Railway Company, which reused the Thames Tunnel, originally intended for horse-drawn carriages, the line became part of the London...

 closes for repairs to Thames Tunnel
Thames Tunnel
The Thames Tunnel is an underwater tunnel, built beneath the River Thames in London, United Kingdom, connecting Rotherhithe and Wapping. It measures 35 feet wide by 20 feet high and is 1,300 feet long, running at a depth of 75 feet below the river's surface...

.
1998:East London line
East London Line
The East London Line is a London Overground line which runs north to south through the East End, Docklands and South areas of London.Built in 1869 by the East London Railway Company, which reused the Thames Tunnel, originally intended for horse-drawn carriages, the line became part of the London...

 reopens.
1999:Jubilee line
Jubilee Line
The Jubilee line is a line on the London Underground , in the United Kingdom. It was built in two major sections—initially to Charing Cross, in central London, and later extended, in 1999, to Stratford, in east London. The later stations are larger and have special safety features, both aspects...

 extends from Green Park
Green Park tube station
Green Park tube station is a London Underground station located on the north side of Green Park, close to the intersection of Piccadilly and the pedestrian Queen's Walk...

 to Stratford
Stratford station
Stratford station is a large multilevel railway station in Stratford, east London. The station is served by the National Rail services National Express East Anglia, London Overground and c2c, by London Underground's Central and Jubilee lines, and by the Docklands Light Railway . Stratford is in...

. The section from Green Park
Green Park tube station
Green Park tube station is a London Underground station located on the north side of Green Park, close to the intersection of Piccadilly and the pedestrian Queen's Walk...

 to Charing Cross
Charing Cross tube station
Charing Cross tube station is a London Underground station at Charing Cross in the City of Westminster with entrances located in Trafalgar Square and The Strand. The station is served by the Northern and Bakerloo lines and provides an interchange with the National Rail network at station...

 closes.

2000s

2000:Last service operates with a train guard.
Transport for London
Transport for London
Transport for London is the local government body responsible for most aspects of the transport system in Greater London in England. Its role is to implement the transport strategy and to manage transport services across London...

 (TfL), an executive body of the Greater London Authority
Greater London Authority
The Greater London Authority is the top-tier administrative body for Greater London, England. It consists of a directly elected executive Mayor of London, currently Boris Johnson, and an elected 25-member London Assembly with scrutiny powers...

, is established to take over responsibility for London's transport from LRT
London Regional Transport
London Regional Transport was the organisation responsible for the public transport network in Greater London, UK from 1984-2000. In common with all London transport authorities from 1933 to 2000, the public name and operational brand of the organisation was London Transport.The organisation was...

. London Underground Limited moves to direct control by the Department for Transport
Department for Transport
In the United Kingdom, the Department for Transport is the government department responsible for the English transport network and a limited number of transport matters in Scotland, Wales and Northern Ireland which are not devolved...

.

2002:Lots Road Power Station
Lots Road Power Station
Lots Road Power Station is a disused coal and later oil-fired power station on the River Thames at Lots Road in Chelsea, London in the south-west of The Royal Borough of Kensington and Chelsea, which supplied electricity to the London Underground system...

 closes.
2003:TfL
Transport for London
Transport for London is the local government body responsible for most aspects of the transport system in Greater London in England. Its role is to implement the transport strategy and to manage transport services across London...

 takes control of London Underground Limited from the Department for Transport.
Oyster card
Oyster card
The Oyster card is a form of electronic ticketing used on public transport services within the Greater London area of the United Kingdom. It is promoted by Transport for London and is valid on a number of different travel systems across London including London Underground, buses, the Docklands...

 smart card ticket system begins operation.
Public Private Partnership infrastructure companies Metronet
Metronet
Metronet Rail was one of two companies in a public-private partnership with London Underground.Metronet was responsible for the maintenance, renewal, and upgrade of the infrastructure on nine London Underground lines from 2003 to 2008. This included track, trains, signals, civil work and stations...

 and Tube Lines
Tube Lines
Tube Lines Limited, initially known as 'Infraco JNP', has been a wholly owned subsidiary of Transport for London since May 2010. Tube Lines is an asset-management company responsible for the maintenance, renewal and upgrade of the infrastructure, including track, trains, signals, civil work and...

 take over responsibility for maintenance of underground system. Train operations remain the responsibility of TfL
Transport for London
Transport for London is the local government body responsible for most aspects of the transport system in Greater London in England. Its role is to implement the transport strategy and to manage transport services across London...

.
A Central line
Central Line
The Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...

 train derails at Chancery Lane
Chancery Lane tube station
Chancery Lane is a London Underground station in central London. It is on the Central Line between St. Paul's and Holborn stations. The station is located at the junction of High Holborn, Hatton Garden and Gray's Inn Road with subway entrances giving access to the ticket office under the roadway...

 when a motor falls from the underside of a carriage. Following investigations, modifications are made to all 1992 stock
London Underground 1992 Stock
The 1992 Tube Stock is the type of train used on the Central line and Waterloo & City line of the London Underground.-Construction:The 1992 Stock was built by ABB for the Central line as the result of the extensive testing of the three 1986 tube stock prototype trains...

 trains.

2005:Suicide bombers detonate bombs
7 July 2005 London bombings
The 7 July 2005 London bombings were a series of co-ordinated suicide attacks in the United Kingdom, targeting civilians using London's public transport system during the morning rush hour....

 on three tube trains and one bus, killing 52 and injuring more than 770. Two weeks later four further bombers fail
21 July 2005 London bombings
On 21 July 2005, four attempted bomb attacks disrupted part of London's public transport system two weeks after the 7 July 2005 London bombings. The explosions occurred around midday at Shepherd's Bush, Warren Street and Oval stations on London Underground, and on a bus in Shoreditch...

 when their bombs do not explode.
2006:East London line
East London Line
The East London Line is a London Overground line which runs north to south through the East End, Docklands and South areas of London.Built in 1869 by the East London Railway Company, which reused the Thames Tunnel, originally intended for horse-drawn carriages, the line became part of the London...

 closes from Shoreditch
Shoreditch tube station
Shoreditch tube station was a London Underground station in the London Borough of Tower Hamlets in east London. It was in Travelcard Zone 2. The station closed permanently at the end of traffic on 9 June 2006....

 to Whitechapel
Whitechapel tube station
Whitechapel is a London Underground and London Overground station on Whitechapel Road in the Whitechapel neighbourhood of the London Borough of Tower Hamlets in east London, England. The station is located on the east–west tracks shared by the District line and Hammersmith and City line and is on...

.
2007:East London line
East London Line
The East London Line is a London Overground line which runs north to south through the East End, Docklands and South areas of London.Built in 1869 by the East London Railway Company, which reused the Thames Tunnel, originally intended for horse-drawn carriages, the line became part of the London...

 closes completely for conversion into part of London Overground
London Overground
London Overground is a suburban rail network in London and Hertfordshire. It has been operated by London Overground Rail Operations since 2007 as part of the National Rail network, under the franchise control and branding of Transport for London...

 network.
Metronet
Metronet
Metronet Rail was one of two companies in a public-private partnership with London Underground.Metronet was responsible for the maintenance, renewal, and upgrade of the infrastructure on nine London Underground lines from 2003 to 2008. This included track, trains, signals, civil work and stations...

 goes into administration following failures to manage the costs and programmes of its projects. TfL
Transport for London
Transport for London is the local government body responsible for most aspects of the transport system in Greater London in England. Its role is to implement the transport strategy and to manage transport services across London...

 takes temporary control.

2008:Piccadilly line
Piccadilly Line
The Piccadilly line is a line of the London Underground, coloured dark blue on the Tube map. It is the fifth busiest line on the Underground network judged by the number of passengers transported per year. It is mainly a deep-level line, running from the north to the west of London via Zone 1, with...

 extends to Heathrow Terminal 5
Heathrow Terminal 5 station
Heathrow Terminal 5 station is a shared railway station at London Heathrow Airport Terminal 5 which was opened on 27 March 2008. It was designed by architects HOK International in conjunction with Rogers, Stirk, Harbour & Partners....

.
2009:Construction begins on Crossrail
Crossrail
Crossrail is a project to build a major new railway link under central London. The name refers to the first of two routes which are the responsibility of Crossrail Ltd. It is based on an entirely new east-west tunnel with a central section from to Liverpool Street station...

.
Circle line extends to Hammersmith.
Wood Lane station opens.

2010s

2010:East London line
East London Line
The East London Line is a London Overground line which runs north to south through the East End, Docklands and South areas of London.Built in 1869 by the East London Railway Company, which reused the Thames Tunnel, originally intended for horse-drawn carriages, the line became part of the London...

 reopens as part of London Overground
London Overground
London Overground is a suburban rail network in London and Hertfordshire. It has been operated by London Overground Rail Operations since 2007 as part of the National Rail network, under the franchise control and branding of Transport for London...

 network.
TfL
Transport for London
Transport for London is the local government body responsible for most aspects of the transport system in Greater London in England. Its role is to implement the transport strategy and to manage transport services across London...

 takes over Tube Lines
Tube Lines
Tube Lines Limited, initially known as 'Infraco JNP', has been a wholly owned subsidiary of Transport for London since May 2010. Tube Lines is an asset-management company responsible for the maintenance, renewal and upgrade of the infrastructure, including track, trains, signals, civil work and...


See also

  • History of the London Underground
    History of the London Underground
    The history of the London Underground is one of gradual evolution. One section of it was the first urban underground passenger-carrying railway in the world, for although the Atlantic Avenue Tunnel in New York City, opened in 1844, is sometimes called the "world's oldest subway tunnel", this had no...

  • List of London Underground stations
  • List of former and unopened London Underground stations
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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