摘要
及早进行经济分析和评价，用定量方法做好路线方案比选，对提高选线质量、优化设计及正确决策，具有重要意义．就经济评价及其在公路选线过程中的应用作些探讨．
With application of quantitative method,economic evaluation can be a great help to proper decision and optimized design in highway routing.This essay focuses mainly on the above issues.
关键词
公路
定量分析
选线
经济评价
Highways
Evaluations
Quantitative analysis
