The space elevator was a method of space travel.
The Tenth Doctor described it as being similar to very long piece of string, one end of which was held in geosynchronous orbit by a counterweight. For the second part of the trip, the capsule flipped around. (COMIC: The Arts in Space)
While Victoria Waterfield described unpleasant sensations during the acceleration of the Great Space Elevator, (AUDIO: The Great Space Elevator) Zhe Ikiyuyu's private space elevator was supplied with inertial compensator buffers. (COMIC: The Arts in Space)