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,
Munich Karlsplatz station between the S-Bahn and U-Bahn. The fifth level holds the U-Bahn station with two tracks and two platforms. Lines and call here, travelling in north-west direction. The station is the deepest in the whole network and also has the longest escalator. Munich Karlsplatz station München Karlsplatz (Stachus) is an underground S-Bahn and U-Bahn station below the Karlsplatz in central Munich. It is one of the busiest stations in Munich, as it is located at the western end of Munich's Altstadt (Old Town). Karlsplatz is also a stop on the Munich tramway, located on the Altstadtring, the Old Town's periphery road.