if traffic backs up, or if it is backed up, the vehicles are in a long line and waiting to continue moving

noun

a place where a road is narrow or blocked, causing traffic to move very slowly

adjective, adverb

in a long line of vehicles that are close together and moving very slowly

adjective

having a lot of traffic passing through

to put traffic cones across a road in order to prevent traffic from going along the road

noun

a situation in which a place is crowded with people or vehicles, so that it is difficult to move around

noun

a payment that you make each day for the right to drive into a city centre, introduced as a way of reducing traffic

noun

a situation in which vehicles travelling in both directions use only one side of the road while the other side is being repaired

verb

if traffic filters somewhere, it turns right or left when a separate traffic light gives it the signal to go

noun

a situation in which there are so many cars on the roads that traffic cannot move

noun

a situation in which traffic does not move or moves only very slowly

noun

a long line of vehicles that are not moving, or are moving very slowly

noun

a system designed to reduce traffic, in which drivers must pay to use a road

noun

the period of time during which the crowds are the largest or there is the most traffic

verb

to make something such as traffic unable to move

noun

a situation in which traffic coming from several different directions is prevented from moving

noun

the fastest speed allowed for vehicles in a particular area

to form a long line of traffic that is not moving

noun

a long line of traffic that is moving very slowly or not moving at all

noun

an official piece of paper that shows a driver that they must pay money for committing a traffic offence

verb

to give a ticket to a driver who has committed a traffic offence

adjective

if traffic is tied up, it is not moving very quickly

noun

connected with traffic, or caused by traffic

noun

methods of slowing down traffic, for example by building raised areas across roads

noun

a line of vehicles waiting behind something that is blocking the road

to ignore a red traffic light and keep driving

if cars are nose to tail, they are moving slowly in a long line with not much space between them