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,
The Tube Music Network April 2005, Raycom was testing the network on station WFLX-TV, a Fox affiliate, for three weeks. Raycom then announced on April 25, 2005, it was the launch station group for The Tube affiliating 29 stations. Raycom launched the network in June 2005 on 30 stations with Cleveland being the largest market. According to a March 2006 article in "The New York Times", Tribune Broadcasting announced that it would start carrying The Tube on its stations that summer. However, it had already begun to be carried on digital subchannels of Tribune-owned stations in New York City, Los Angeles, Chicago, and Philadelphia.