public transport - conveyance for passengers or mail or freight

roof - protective covering on top of a motor vehicle

school bus - a bus used to transport children to or from school

trackless trolley, trolley coach, trolleybus - a passenger bus with an electric motor that draws power from overhead wires

window - a transparent opening in a vehicle that allow vision out of the sides or back; usually is capable of being opened

fleet - group of motor vehicles operating together under the same ownership

passenger, rider - a traveler riding in a vehicle (a boat or bus or car or plane or train etc) who is not operating it