根据德州运输研究所的研究，2007年的道路堵塞，使得美国浪费了42亿个小时的工作时间，以及106亿公升的汽油。

In 2007 its congested roads cost the country 4.2 billion working hours and 10.6 billion litres of wasted petrol, according to the Texas Transportation Institute.

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最新通过的城市公共交通五年计划将建设重点从汽车用路转移到高速公共运输系统，以此缓解交通堵塞。

The city's newly approved five-year public transport plan will shift the focus from building roads for car use to constructing a high-speed public transport system to ease the growing grid-lock.

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新的高速公路竣工后，大部分长途运输和部分地方运输将从现有的公路转到新的高速公路，从而缓解目前的道路堵塞问题。

Once the new expressway is completed, most of the long-distance traffic and some local traffic would be diverted from existing roads to the new expressway, reducing road congestion.

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