Neasden Junction
Encyclopedia
Neasden Junction is a railway junction
Junction (rail)
A junction, in the context of rail transport, is a place at which two or more rail routes converge or diverge.This implies a physical connection between the tracks of the two routes , 'points' and signalling.one or two tracks each meet at a junction, a fairly simple layout of tracks suffices to...

 in Neasden
Neasden
Neasden is an area in northwest London, UK. It forms part of the London Borough of Brent.-History:The area was recorded as Neasdun in 939 AD and the name is derived from the Old English nēos = 'nose' and dūn = 'hill'. It means 'the nose-shaped hill' referring to a well-defined landmark of this area...

, London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

. This is where the mainline from Marylebone diverges into two main lines: the Chiltern Main Line
Chiltern Main Line
The Chiltern Main Line is an inter-urban, regional and commuter railway, part of the British railway system. It links London and Birmingham on a 112-mile route via the towns of High Wycombe, Banbury, and Leamington Spa...

, which runs towards and Birmingham
Birmingham Snow Hill station
Birmingham Snow Hill is a railway station and tram stop in the centre of Birmingham, England, on the site of an earlier, much larger station built by the former Great Western Railway . It is the second most important railway station in the city, after Birmingham New Street station...

, and the London to Aylesbury Line
London to Aylesbury Line
The London to Aylesbury Line is the main railway line between London and Aylesbury, going via the Chiltern Hills; it is operated by Chiltern Railways. The line includes the only route where National Rail trains use track that is utilized by London Underground services...

.

The Aylesbury Line used to be the main route of the Great Central Main Line
Great Central Main Line
The Great Central Main Line , also known as the London Extension of the Manchester, Sheffield and Lincolnshire Railway , is a former railway line which opened in 1899 linking Sheffield with Marylebone Station in London via Nottingham and Leicester.The GCML was the last main line railway built in...

, until the Chiltern Main Line was built to replace it, rejoining the old route north of Aylesbury. The Great Central ran to Rugby
Rugby Central Railway Station
Rugby Central was a railway station serving Rugby in Warwickshire on the former Great Central Main Line which opened in 1899 and closed in 1969....

, Leicester
Leicester Central railway station
Leicester Central was a railway station in Leicester. It was situated to the west of the city centre, on Great Central Street which is today just off the inner ring road. It was closed in 1969.- Construction :...

, Nottingham
Nottingham Victoria railway station
Nottingham Victoria railway station was a Great Central Railway and Great Northern Railway railway station in Nottingham, England. It was designed by the architect Albert Edward Lambert....

, Sheffield and Manchester until it was closed due to the Beeching axe
Beeching Axe
The Beeching Axe or the Beeching Cuts are informal names for the British Government's attempt in the 1960s to reduce the cost of running British Railways, the nationalised railway system in the United Kingdom. The name is that of the main author of The Reshaping of British Railways, Dr Richard...

 in 1966.

Just south-east of the mainline junction the freight line (Dudding Hill Line
Dudding Hill Line
The Dudding Hill Line is a railway line in north-west London running from Acton to Cricklewood. The line has no scheduled passenger service, no stations, no electrification, and a 30 mph speed limit with semaphore signalling, and is lightly used by freight and very occasional passenger charter...

) from 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...

 splits into two, one line continuing onwards north-east to and the other joining the Chiltern Main Line westbound. There are a few sidings for freight and maintenance trains. There used to be a locomotive shed but this was knocked down during the 1960s. 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...

 and 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...

 run east of the junction and Neasden tube station
Neasden tube station
Neasden Underground station is a London Underground station in Neasden. It is on the Jubilee Line, between Wembley Park and Dollis Hill. Metropolitan Line trains pass through the station but do not stop, except on rare occasions...

 also lies east to the junction. The North Circular Road
A406 road
The A406 or the North Circular Road is a road which crosses North London, UK, linking West and East London. It, together with the South Circular Road, forms a ring road through the inner part of Outer London...

 goes over the junction using a Victorian bridge.

Realignment

As part of Chiltern Railways'
Chiltern Railways
Chiltern Railways is a British train operating company. It was set up at the privatisation of British Rail in 1996, and operates local passenger trains from Marylebone station in London to Aylesbury and main-line trains on the Chiltern Main Line to Birmingham Snow Hill with its associated branches...

 Evergreen 3 line speed improvements, the junction is to be rebuilt to allow 75mph running between the mainline and the Chiltern Main Line, while retaining 60mph running on the London to Aylesbury Line. Works commenced in 2011.
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