It helps to protect your head
a helmet
It takes people to hospital quickly.
an ambulance
a wide road for fast-moving traffic
a motorway
a car with a driver who you pay to take you somewhere
a taxi
the number of vehicles moving along roads
traffic
a two-wheeled vehicle that you sit on and move by turning the two pedals
a bicycle
the metal tracks on which trains run
a railway
a long structure at a railway station, where people get on and off trains
a platform
a large boat for travelling on water
a ship
a person who is travelling in a vehicle but is not driving it
a passenger
