从1988年第一条高速公路通车至今,我国高速公路通车里程已达3万多公里,用17年的时间走完了发达国家40年才走完的发展历程。高速公路建设是经济振兴的一个新的增长点,极大地缓解了交通方面的压力,改善了投资环境和国际形象。然而,我国的高速公路起步较晚,高速公路建设市场不很规 Since the opening of the first expressway in 1988, the mileage of our country’s expressways has reached over 30,000 kilometers and the development history of 40 years of developed countries has ended in 17 years. The construction of expressways is a new growth point for economic rejuvenation, which has greatly alleviated the pressure on transportation and improved the investment environment and international image. However, the expressway in our country started relatively late, and the highway construction market is not very regular