公路项目两阶段可行性研究的要求与区别

现阶段，对我国高速公路建设项目均应进行两阶段可行性研究。按其工作阶段和工作深度，可行性研究分为预可行性研究和工程可行性研究两个阶段，这两个阶段既相互联系又有很大区别。正确理解这两个阶段的工作内容、要求与区别，有利于更好地开展工作。

Requirement and Difference of Two-stage Feasibility Study of Highway Project

In present period, all the highway projects in our country should carry through two-stage feasibility study. According to working stage and working depth, feasibility study is divided into two stages. Pre-feasibility study and engineering feasibility study, The two stages are contacted with each other, as well as very different from each other. Correct understanding of the working content and the working requirement of these two stages and the difference between them is conducive to better work.