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An escalator is a type of vertical transportation in the form of a moving staircase which carries people between floors of a building. It consists of a motor-driven chain of individually linked steps on a track which cycle on a pair of tracks which keep them horizontal.

 

Escalators have the capacity to move large numbers of people. They can be placed in the same physical space as a staircase. They have no waiting interval (except during very heavy traffic). They can be used to guide people toward main exits or special exhibits. They may be weatherproofed for outdoor use. A nonfunctional escalator can function as a normal staircase, whereas many other methods of transport become useless when they break down or lose power.

 

Every week, Underground escalators travel the equivalent distance of going twice around the world. 90. According to TFL, London Underground trains travel a total of 1,735 times around the world (or 90 trips to the moon and back) each year.

 

There are 440 passenger escalators on the London Underground. This is at Green Park.

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Uploaded on January 11, 2019
Taken on January 3, 2019