一、美国公路的建设与发展 1.美国的公路特征 (1)公路多 美国公路多是指美国的公路总里程长。目前美国公路总长度已接近700万公里(包括城市道路),是我国(2001年底将近170万公里)的4倍,其中高速公路(美国称“州际公路”)9万多公里,是我国(2001年底为1.9万公里)的5倍。美国5 First, the United States highway construction and development 1. The United States of the highway characteristics (1) highway more than the United States mostly refers to the United States the total length of the road mileage. At present, the total length of U.S. roads is nearly 7 million kilometers (including urban roads), which is four times that of our country (nearly 1.7 million kilometers by the end of 2001), of which more than 90,000 kilometers are expressways (U.S. “interstate”), By the end of 19,000 km) 5 times. United States 5