A system includes a plurality of at least partially autonomous vehicles, a plurality of interconnected roadways having a plurality of track segments, and embarkation area, and a control system. The roadways preferably have at least partially separated lanes and the roadways are optionally grade separated. The embarkation area includes a plurality of embarkation slots where passengers can board the vehicles. The embarkation area is connected to at least one of the plurality of track segments, allowing the vehicles to travel to and from the embarkation area to the at least one of the plurality of track segments. The control system is configured to coordinate a continuous flow of the plurality of vehicles on the track segments. Groups of vehicles depart from the embarkation area to the at least one of the plurality of track segments in coordinated groups.