London Underground L Stock London Underground L Stock London Underground L Stock was a clerestory-roofed rail stock built for the District line in 1932 and subsequently absorbed into the London Underground Q Stock, being redesignated Q31 Stock. The L Stock trains were built to provide additional rolling stock for the eastward extension of the District Line from Barking to Upminster. Two new electrified tracks were added parallel to the existing steam-operated LMS lines, including several new stations such as Upminster Bridge. Forty-five cars were built by the Union Construction Company, eight were driving motor cars and the rest were trailers. The eight motor cars,
Sutton railway station (London) 25 minutes on the direct route via and . The four platforms at Sutton station are numbered 1 to 4 from north to south. Platforms 1 and 2 are on the lines to Wimbledon, Epsom, Leatherhead, Dorking, and Horsham. Platforms 3 and 4 are on the Epsom Downs Line, which becomes single-track about south of the station. Platforms 1 and 3 are used by services from outer termini to Central London. Trains from Central London use platforms 2 and 4. Terminating trains which return to central London generally use platform 4. Platforms 1 and 2 can accommodate 12-coach trains, and