The boarding of one passenger on a transit vehicle in revenue service.
In planning, the time duration of an unlinked trip, that is, one made on a single vehicle. (TRB)
1. A trip made in a single vehicle. 2. The boarding of one transit vehicle in revenue service; also known as an unlinked passenger trip. 3. Any segment of a linked trip. (TRB)
The distance traveled on an unlinked trip, for example, a trip on a single vehicle. (TRB)