Escalator
An escalator was a mechanical transport device that allowed people to move up and down without having to climb stairs.

In 2267, Doctor Leonard McCoy once exclaimed that he was "a doctor and not an escalator" when Eleen refused to be helped (and thereby touched) to climb a steep hill by anybody else besides the doctor. () 

In the 2270s, escalators were in use at Starfleet Headquarters in San Francisco. ()

The subterranean city built by the  for the Ocampa on their homeworld was equipped with numerous escalators. ()

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Transportation technology