One red and gray tram car.
Two red and gray tram cars.
Some buildings in the back.
two bus cars joined together
a red and silver bus
a bus on the street
a bus with three doors
an expandable part of the bus
middle of bus is expandable
a red and silver passenger bus
a long bus on the road
a long bus on the street
a long red and silver bus
an articulated bus parked on the street
an expandable bus
public transit vehicle
a city with a red and white bus parked in the street