1 Traffic congestion fluctuates according to the time of day.
2 The congestion in the city gets even worse during the summer.
3 Parking near the school causes severe traffic congestion.
4 Attempts to restrict parking in the city centre have further aggravated the problem of traffic congestion.
5 Traffic congestion in large cities seems to be an insoluble problem.
6 International contractors started tunneling under this city of fifteen million to help relieve horrendous congestion.
7 To avoid the traffic congestion on the main highways, she took a circuitous route.
8 International contractors led by the French started tunneling under this city of fifteen million to help relieve traffic congestion.
9 He first promised two weeks ago to clear Britain's congested roads.
10 The main streets in the centre of the city are always very congested.
11 Department stores are often congested before Christmas.