London Underground R Stock the Edgware Road-Wimbledon route, where shorter platforms necessitated the use of C Stock. Three vehicles have been preserved. London Underground R Stock The London Underground R Stock electric multiple units were used on London Underground's District line from 1949 to 1983. Composed of new cars and converted Q38 Stock trailers, the cars were built and converted in three batches between 1949 and 1959. The cars were driving motors (DM) or non-driving motors (NDM), there being no unpowered trailers. The second batch, introduced in 1952, was constructed from aluminium, saving weight and one train was left unpainted as an experiment. Considered
London Rail to Enfield Town, Cheshunt and Chingford and Romford to Upminster Line services on 31 May 2015. London Rail London Rail is a directorate of Transport for London (TfL), involved in the relationship with the National Rail network within Greater London, UK which manages TfL's non-London Underground train services. London Rail manages the London Overground (LO), London Trams and Docklands Light Railway (DLR). It will also be responsible for Crossrail. As part of an internal restructure within TfL, it recently merged with the (previously separate) London Underground directorate, bringing all of Greater London local transport services on rails under one division.