服务质量的提高是通行费不断上涨的一个理由。

Improved service is one justification for the increased tolls.

管理局希望通过增加通行费以支应该计划所需资金。

The authority hopes to finance the plan by raising its tolls.

你可以付通行费开车上派克斯峰公路，或者放松一下，乘坐派克斯峰齿轨式火车。

You can pay a toll to drive on Pike's Peak Highway or relax and take the Pike's Peak Cog Railway.

诸如设定通行费上限等条款需要有足够吸引力才能招揽到优质建筑商，但也要严厉到足以实施质量控制。

Terms such as those that set caps on tolls need to be attractive enough to bring quality builders on board, but tough enough to enforce quality control.

地铁在很多城市非常有竞争力，比如纽约，停车费用昂贵和大桥隧道通行费等等都限制了汽车的使用。

Subways have been most competitive in cities like New York that have high prices for parking, and tolls for Bridges and tunnels, discouraging car use.