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,
Upminster Bridge 248 and 370 bus routes, with services to Cranham, Romford, Upminster and Lakeside. The London Loop key walking route passes through the Upminster Bridge area, and the station forms the end point of section 22 from Harold Wood and the starting point of section 23 to Rainham. Until 1972, bus routes on the A124 road that crosses the narrow bridge were more numerous. Before 248 was extended from its orbital run around Upminster Park Estate to connect into Romford town centre, the London Transport buses reaching Upminster station were the 193 and the 86. The latter running all the way