Circle line (London Underground) and the C Stock trains have recently been replaced by new seven-car S Stock trains, in a programme completed in 2015. In 1863 the Metropolitan Railway, the world's first underground railway, opened in London between Paddington and Farringdon, connecting the Great Western Railway's relatively remote terminus at Paddington with Euston and King's Cross stations and the City, London's financial heart. In the same year a select committee report recommended an 'inner circle' of railway lines connecting the London termini that had been built or under construction. In the next year the Metropolitan District Railway (commonly known as the District Railway)
South Wimbledon tube station South Wimbledon tube station South Wimbledon is a London Underground station in South Wimbledon, a suburb of Wimbledon in south-west London. The station is on the Northern line, situated between Colliers Wood and Morden stations. It is located on the corner of Merton High Street (A238) and Morden Road (A219). South Wimbledon is on the boundary between Travelcard Zone 3 and Zone 4. The station was opened on 13 September 1926 as part of the Morden extension of the City & South London Railway south from Clapham Common. On the original plan it had the name "Merton Grove". For geographical