我国经济建设已进入了一个高速发展的新时期。但在重庆地区,由于公路建设跟不上,交通阻塞现象是很普遍的,许多地段甚至是严重的,已成为制约我市经济发展的一个关键问题。因此需要投入大量建设资金兴修公路,改善道路的通过能力。但以往那种交通建设经费等上级拨款、靠内资、靠交 China’s economic construction has entered a new period of rapid development. However, in Chongqing, due to the lack of road construction, traffic congestion is common and many lots are even serious, which has become a key issue that restricts the economic development of our city. Therefore, we need to invest a lot of money to build roads and improve the capacity of roads. However, in the past that kind of traffic construction funds and other higher appropriations, by domestic funding, rely on to pay