Circle line (London Underground) and the C Stock trains have recently been replaced by new seven-car S Stock trains, in a programme completed in 2015.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)
Wimbledon station taking over the West Anglia Main Line north of there). This would provide another set of transport links for the area and direct services to and . There is also a proposal for an extension of the Tramlink services running from Wimbledon to Sutton via Morden, St. Helier and Rose Hill. The typical off-peak service (Monday to Saturday) frequency is: National Rail London Underground Wimbledon station Wimbledon is a National Rail, London Underground, and Tramlink station located on Wimbledon Bridge, Wimbledon in London, and is the only London station that provides an interchange between main line rail, Underground, and Tramlink.