一、引言“要想富,早修路”,这句流传于民间的谚语,深入浅出地道出了交通基础设施先行对于经济发展的深刻意义。自公路建设“贷款修路,收费还贷”的基本政策出台之后,中国收费公路实现了跨越式发展。然而,随着收费公路超速发展,一方面引发了大多数收费公路交通量偏低、利用不足 First, the introduction of “want to get rich, early repair Road,” a phrase circulating in folk proverbs, explain profound theories in simple language out of the transport infrastructure precedent for the profound significance of economic development. Since the introduction of the basic policy of “road construction loans and loan repayments” for road construction, the toll highways in China have achieved leapfrog development. However, with the speeding up of toll roads, on the one hand, the traffic volume of most toll roads is low and under-utilized