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公路运输对不同自然条件适应力强,具有机动灵活、周转速度快、装运方便等优点,既能取货到家、送货上门、直接运输,又能与铁路、水运、航空等运输方式相结合,从而组成综合运输网,承担它们客货运的集散,还能适应政治、经济、军事的需要,单独构成运输体系。自十九世纪开始生产汽车以来,公路运输一直发展很快。一些发达国家的公路运输网大大超过铁路运输量。为了提高运输速度,各国竞相发展高速公
Road transport adaptability to different natural conditions, with flexible, fast turnover, easy shipping and other advantages, both pick up, home delivery, direct transport, but also with the railway, water transport, aviation and other modes of transport combined to Form a comprehensive transport network, undertake the distribution of passengers and freight, but also adapt to the political, economic and military needs and form a separate transport system. Road transport has been developing rapidly since the car started production in the nineteenth century. The road transport network in some developed countries greatly exceeds the amount of rail traffic. In order to speed up transport, all countries are racing to develop the expressway