| 摘要 |
A mass transit system providing for the exiting of a first vehicle from a first lower track to the opposite side of a second lower track without entering the space occupied by a second vehicle traveling along the second lower track, comprising providing an upper track suspended above the first track, providing for upper wheels on the first vehicle which will engage the upper track at a location where the upper track is suspended above the first lower track, and curving upper third track upwards to a height such that the first vehicle is above the space occupied by the second vehicle traveling along the second lower track and curving the upper track over the space occupied by the second vehicle traveling along the second lower track.
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