Piccadilly Circus tube station is 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...

 station located directly beneath Piccadilly Circus

Piccadilly Circus

Piccadilly Circus is a road junction and public space of London's West End in the City of Westminster, built in 1819 to connect Regent Street with the major shopping street of Piccadilly...

 itself, with entrances at every corner. Located in Travelcard Zone 1

Travelcard Zone 1

Fare zone 1 is the central 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. For most tickets, travel through the zone is charged...

, the station is on the 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...

 between 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...

 and Leicester Square

Leicester Square tube station

Leicester Square is a station on the London Underground, located on Charing Cross Road, a short distance to the east of Leicester Square itself....

 and on the 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...

 between 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 Oxford Circus

Oxford Circus tube station

-External links:* ** ** * Plans of the station after the Victoria Line works , , *...

.
The station was opened on 10 March 1906 by the 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...

 (now the Bakerloo line) with the platforms of 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...

 (now the Piccadilly line) being opened on 15 December 1906.