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美国内河航运较为发达,总通航里程4万6千余公里。内河总运量1950年约为8亿吨,1981年约为20亿吨,约24年翻一番.在二次世界大战期间,美国政府为了适应战争的需要,大力发展内河运输,至今基本实现了内河运输现代化,其主要措施是:(1)修建闸坝、渠化河道,是改善天然河道航行条件的根本途径;(2)大力发展浅吃水标准分节驳船,广泛采用大型流线型顶推船队;
U.S. inland shipping is more developed with a total navigation mileage of 46,000 kilometers. The total volume of inland river traffic was about 800 million tons in 1950 and about 2 billion tons in 1981, doubling in about 24 years. During the Second World War, the U.S. government, in order to meet the needs of the war, vigorously developed its inland water transport, The main measures for the modernization of inland river transport are as follows: (1) The construction of sluices and canalization is the fundamental way to improve the navigation conditions of natural rivers; (2) The development of shallow-draft standard section barges and the extensive use of large-scale streamlined pushers team;