Using analytic hierarchy process(AHP) to ascertain the weighing of every index and to ascertain the value of every index by constructing utility function,the total utility value of highway constr.

• 采用层次分析法确定各评价指标的权重,通过建立效用函数确定各评价指标的效用值,最后通过总效用函数模型求得公路建设项目总效用值。