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Where will tolls come from if there is no traffic on an eight-lane highway ?

如果八车道的高速公路上没有车流量，通行费从何而来？

Apart from cutting congestion and raising money , tolls reduce carbon emissions and other pollutants .

除了缓解拥堵和增加收入外，征收通行费还可降低碳排放和其它污染物。

This year , for the first time , expressway tolls were abolished during the break .

今年长假期间高速首次取消了通行费。

This year they are up by a quarter , thanks to more traffic and higher tolls .

今年它的比重将达到四分之一，这要归功于越来越繁忙的运输和越来越高的通行费。

A national infrastructure plan , independent from congress , can focus on large-scale interstate programmes paid for over time by tolls .

制定一项不受国会约束的国家基础设施建设计划，可以将重点放在用通行费提供资金的大型州际项目上。