Cable car

A cable car or cable railway was a type of mass transit system where rail cars are hauled by a continuously moving cable running at constant speed. Individual cars can stop or start by releasing and gripping the cable as required.

By the 19th century, a cable car system had been build and opened in the city of San Francisco and its surrounding districts, on Earth, and continued to operate well into the 23rd century. 

During a walk from Starfleet Headquarters to Velluto's restaurant in Nob Hill in late 2265, Leonard McCoy complained to his companion, James T. Kirk, that his feet were tired and unless Kirk confided in him about what had been bothering him, then he would hop on the next cable car.