Circle line (London Underground)

For other uses, see Circle Line (disambiguation).

Circle

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Colour on map	Yellow
Year opened	1884
Line type	Sub-Surface
Rolling stock	C Stock
Stations served	27
Length	{{{Length}}}
Depots	Hammersmith Neasden
Journeys made	74 million (2002) (per annum)
Rail lines of Transport for London  London Underground lines   Bakerloo   Central   Circle   District   Hammersmith & City   Jubilee   Metropolitan   Northern   Piccadilly   Victoria   Waterloo & City Other lines   Docklands Light Railway   Tramlink   Overground

The Circle line, coloured yellow on the tube map, is the eighth busiest line on the London Underground. It forms a loop line around the centre of London on the north side of the River Thames. Platforms are 120 metres long in the south and 130 metres long on the part of the track shared with the Metropolitan line.