国外高速公路现状和发展世界上最早修建高速公路的国家是德国。早在1928年至1932年就建成了从科隆至波恩的第一条高速公路,从1933年开始,着手制定建设以柏林为中心,通往各边境的辐射式道路以及与之连接的环形道路,总计7500公里的庞大高速公路网建设计划。但由于战争,工程后来被 The status quo and development of foreign freeways The earliest countries in the world to build expressways are Germany. As early as 1928-1932, the first motorway from Cologne to Bonn was completed. Beginning in 1933, the government set out to develop a radiant road to the border with Berlin as its center and to the ring roads connected with it. A total of 7500 kilometers of highway network construction plan. However, due to the war, the project was later