Then the operation management, the cost and the environment effect of Chengguan Expressway were studied, some related proposed was put forward, In this thesis, the post assessment for operation condition and operation management was studied emphatically .

• 论文研究了高速公路建设项目后评价的发展现状，分析了后评价工作的意义、基本内容和程序。 然后以成灌高速公路为案例，通过大量的调查对成灌高速公路的运营情况、成本费用情况及环境影响进行了分析，并提出了相关建议。