TRAFFIC JAM: Long line of vehicles on the road.
ROAD WORK: Construction or maintenance on part of the road.
RUSH HOUR: Period of time when lots of people travel to and from work.
PETROL STATION: Place to fill your car with petrol.
VEHICLES: Machines with engines that transport people.
SPEED LIMIT: The maximum speed you can legally drive.
PEDESTRIANS: People on foot in a town or city.
COMMUTERS: People who travel to work everyday.
