广东历来是我国与世界各国进行经济、文化交往的重要交通门户之一。在航空、水运、铁路、公路、管道五种运输方式中,公路交通运输量占了80%以上。但是,在旧中国,由于长期战乱破坏,到1949年解放时,国民党政府留给广东勉强能够通车的公路仅剩2523公里,且多是沙土路面的低等级公路,行车条件十分恶劣。建国以来,广东省的公路建设得 Guangdong has always been one of the major transport portals for economic and cultural exchanges between China and other countries in the world. In aviation, water transport, railways, highways, pipelines, five modes of transportation, highway traffic accounted for more than 80%. However, in old China, due to long-term war damage, by the time of the liberation in 1949, the KMT government left only barely 2,523 kilometers of roads for traffic to be opened to traffic and most of them were low-grade roads on sandy roads with poor driving conditions. Since the founding of the People’s Republic of China, the construction of roads in Guangdong Province has been completed