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一、美国大陆桥美国大陆桥运输始于1967年。它包括两条线路:一条是连接太平洋与大西洋的路线,从美国西部的洛杉矶、西雅图、旧金山等太平洋口岸上桥,通过铁路横越美国至东部的纽约、巴尔的摩等大西洋港口转海运,铁路全长约3 200公里左右。另一条为连接太平洋与墨西哥湾的路线,也是从西部的太平洋口岸上桥,通过铁路至南部墨西哥湾口岸的休斯敦、新奥尔良等港口转海运,铁路全长在500~1 000公里左右。
First, the United States Continental Bridge Continental Bridge transportation began in 1967. It consists of two routes: one is the route connecting the Pacific Ocean with the Atlantic Ocean. From the Pacific ports of Los Angeles, Seattle and San Francisco in the western United States to the sea, the railways cross the United States to the east by New York, Baltimore and other Atlantic ports, 3 200 km or so. The other is a route connecting the Pacific Ocean with the Gulf of Mexico. It also transits the sea from the western Pacific Port Bridge to the ports of Houston, New Orleans and other ports in the southern Gulf Coast through railways. The total length of the railway is about 500 to 1,000 kilometers.