There was heavy traffic on the roads...
Traffic was unusually light for that time of day.
...the problems of city life, such as traffic congestion.
Air traffic had returned to normal...
The railways will carry a far higher proportion of freight traffic...
The ferries can cope with the traffic of both goods and passengers.
Traffic in illicit drugs was now worth some 500 thousand million dollars a year.
如今每年非法毒品的交易值约在 5,000 亿美元。
The president said illegal drugs are hurting the entire world and anyone who traffics in them should be brought to justice.