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美国是世界上公路运输最发达的国家之一。美国自本世纪40年代初颁布《国防公路法案》和《联邦资助道路法案》,对国家公路网作出全面规划,50年代开始进行大规模建设,至今已在全国范围内建成了纵横交错、干支相连、四通八达,方便、快捷、高效的现代化公路网络。据1992年底的统计资料,公路总里程已达625万多公里。其中。州
The United States is one of the most developed countries in terms of road transport in the world. Since the early 1940s, the United States enacted the “National Defense Highway Bill” and the “Federal Aid Roads Bill,” making overall plans for the national highway network and starting large-scale construction in the 1950s. To date, the United States has built a nationwide system of interlocking roads , Extending in all directions, convenient, fast and efficient modern highway network. According to statistics from the end of 1992, the total length of the highway has reached 6.25 million kilometers. among them. State