London Underground and the mechanisms are regularly degreased to lower the potential for fires. The only wooden escalator not to be replaced was at Greenford station, which remained until October 2015 when TfL replaced it with the first incline lift on the UK transport network. There are 426 escalators on the London Underground system and the longest, at , is at Angel. The shortest, at Stratford, gives a vertical rise of . There are 184 lifts, and numbers have increased in recent years because of investment making tube stations accessible. Over 28 stations will have lifts installed over the next 10 years,
Battersea Power Station tube station Battersea Power Station tube station Battersea Power Station (previously proposed as Battersea) is a planned London Underground station to be built in Battersea, London, United Kingdom. It is to be served by the Northern line as part of a two-station extension from Kennington to serve the redevelopment of Battersea Power Station. The station will be located on Battersea Park Road. It will serve as the terminus for the new branch although provision has been made for a possible future extension to Clapham Junction railway station. The station was given the final approval by the Secretary of State for Transport in