There was heavy traffic on the roads.

路上的交通很拥挤。

《柯林斯英汉双解大词典》

Building new roads increases traffic and the converse is equally true: reducing the number and size of roads means less traffic.

修筑新的道路可增加交通流量，反过来也是同样的道理：减少道路的数量和规模就意味着减少交通流量。

《牛津词典》

The village's roads are choked with traffic.

那个村庄的道路被车辆阻塞住了。

《柯林斯英汉双解大词典》

Many people die in traffic accidents on roads that are covered with snow or ice.

VOA: special.2010.01.05

Many places struggle with traffic problems as more and more cars fill the roads.

VOA: special.2010.01.11

The long term solution to the traffic congestion problem, Clark says, is not building more roads, but changing the way we design our cities and how we live our lives.

VOA: standard.2010.07.26

Once past the city traffic, roads everywhere in the country are more or less open.

BBC: Bulgarian road trip: Sofia to the City of the Tsars

Still, Connecticut Transportation Commissioner James Redeker said traffic on roads wasn't significantly worse than normal for the Monday morning commute.

WSJ: Metro-North Is Set To Restore Full Service Wednesday

Critics immediately panned the study, saying it didn't analyze negative economic effects, including the toll of truck traffic on roads and increased health care costs.

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