noun
shuttle bus; pickup bus; courtesy bus
A bus service that transports people between specific points, such as a hotel and an airport, a station and a facility, or a parking lot and a venue. Often free or arranged by the destination.
ホテルの送迎バスで空港まで行った。
I went to the airport on the hotel's shuttle bus.
駅から会場まで無料
A free shuttle bus runs from the station to the venue.