IS unit 5

if a vehicle -, it moves forward very slowly

the pieces of something that are left after it has been destroyed in an accident, explosion, etc.

a different way that traffic is sent when the usual roads are closed

to empty (a place) by making all the people leave

if traffic -, it moves easily from one place to another

a situation that stops something from happening or making progress

travelling or leading towards the direction that is at the top of a map of the world, above the Equator

one of the two sides of a motorway or main road, for vehicles travelling in the same direction

a period of time when there is no electricity supply

when a form of transport such as a train is temporarily not working and a bus is provided to transport passengers on a similar route