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,
Peachtree Center station made of solid gneiss rock, and the ceiling panels are made of steel. Four escalator banks are used to access the station, with the Carnegie Way/Ellis Street (southwest) entrance having the longest escalators in the system, which MARTA claims are also the longest in the Southeast U.S.. The freestanding escalator at the CNN Center is longer at 205 feet. The Ellis Street entrance was closed for more than two years for renovation. It re-opened on August 24, 2012. The Harris Street (northwest) entrance has a map of the MARTA system with proposed lines on it. The station was featured in