随着社会经济的发展，公路基础设施、车辆等运输条件的不断改善，以汽车运输为代表的现代公路运输已在经济发达国家交通运输体系中具有举足轻重的地位。两大运输市场情况1、货物运输从货物运输看，国外主要经济发达国家公路运输一直呈稳定增长的趋势。国土面积较小，公路运输的 With the development of society and economy, the transportation conditions such as highway infrastructure and vehicles have been continuously improved. Modern road transport represented by automobile transport has played an important role in the transport system of economically developed countries. Two major transport market situation 1, the transport of goods From the perspective of transport of goods, foreign countries have been the main economically developed road transport has been a steady growth trend. Land area smaller, road transport