11. It is the only deep-level tube stock to use selective door opening, for example at,, and. 12. These ran from 1967 until replaced in 1989-90 with 1938 tube stock , formed into two-car units. 13. Since the reopening of the line in 1967, former London Underground Tube stock has been used. 14. A further 33 trains of 1972 Tube stock were ordered to provide service on the Jubilee line. 15. Trains access the depot by a tunneled branch line to the north of 2009 Tube Stock trains. 16. At the time, London Transport had some surplus standard tube stock and British Railways bought 55 cars. 17. A Stock may be outlasted by the InterCity 125 HSTs and the Bakerloo Line 1972 tube stock . 18. Like D Stock, the 1983 Tube Stock had single leaf doors, a similar orange interior and cab design. 19. In the 1980s these trains were replaced by more redundant LT tube stock , this time dating from 1938. 20. Even after freight traffic had ceased, the line continued to be used to transfer empty tube stock between lines.
