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,
Fairlop tube station on 31 May 1948. The line from Newbury Park to Hainault through Fairlop had been electrified for empty train movements to the new depot at Hainault from 14 December 1947. Few alterations took place during this transfer, and the station remains a fine example of an Edwardian railway station including canopies that still bear the "GER" symbol in the bracketry. The station has toilet facilities, a car park and a waiting room on both westbound and eastbound platforms. Fairlop tube station Fairlop is a London Underground station in Fairlop in east London, England, which is on the Central line of