改革开放以来,我国公路建设取得了跨越式发展,大大地缓解了交通滞后给经济建设带来的制约作用。公路建设的大投入和跨越式发展带动了社会和经济的飞跃发展。但无论是从公路总量,还是从功能结构和布局来看,公路建设相对滞后仍是影响我国国民经济发展的一个制约因素,尤其是西部地 Since the reform and opening up, China’s highway construction has made leaps and bounds, greatly easing the traffic control lag to the economic construction. The great investment in road construction and the leapfrog development have brought about a huge social and economic development. However, whether it is from the total amount of highways or from the perspective of functional structure and layout, the relative lagging of highway construction is still a constraint factor in the development of our national economy, especially in the western part of China