an ambulance

a bike

a boat

a bus

a camper

a car

a coach

a ferry

a helicopter

a hot air balloon

a limo

a liner

a lorry

a truck (US)

a motorbike

a plane

a racing car

a space shuttle

a scooter

a ship

a snowmobile

a submarine

a taxi

a tractor

a train

a tram

a streetcar / a cable car (US)

the underground (UK)

the subway (US)