(一)日本高速公路的简况由于汽车工业盲目发展,近些年来,日本汽车数量剧增,形成车多路少,现有公路标准偏低,交通阻塞事故日益增多的局面,为了解决这个问题,1957年日本政府颁布了《国 (A) of the Japanese Expressway As the blind development of the automobile industry, in recent years, the sharp increase in the number of cars in Japan, the formation of vehicles less roads, the existing low standard of roads, traffic congestion accidents increasing situation, in order to solve this problem, In 1957 the Japanese government promulgated the "national