一项政府研究建议建设一个33,920英里的全国公路系统，国会通过了1944年的《联邦援助公路法案》，该法案要求制定严格的、集中管控的设计标准。
A government study recommended a national highway system of 33,920 miles, and Congress passed the Federal-Aid Highway Act of 1944, which called for strict, centrally-controlled design criteria.
美国66号公路于1926年通车。它曾是美国第一批全国公路系统之一，途经八个州，长达3,800公里。
United states Highway 66 opened in 1926. It was one of America's first national road systems. It crossed eight American states. It was 3,800 hundred kilometers long.
为什么没有一个全国公共公交系统链接各个社区到2万居民以上的主要高速公路地区？
Why isn't there a national bus system linking communities along major highways with 20,000 residents or more?
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