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,
London City Airport North Circular Road (A406). Also the A13 provides easy access to the M25 motorway, as with the A406 connecting to the M11 motorway. The airport has both a short-term and a long-term car park, both within walking distance of the terminal and a taxi rank outside the terminal door. The airport is served by London Buses services: The express shuttle buses, which formerly ran to various destinations, were withdrawn after the DLR line was built. Until 2006, Silvertown railway station on the North London line served the airport, but it was closed during the construction of Crossrail. When the new