About PAUTSCH G R
About Iowa State Univ., Iowa
About BAUMEL C P
About Iowa State Univ., Iowa
About Transportation Research Record
About local road
About low traffic volume highway
About Road transportation and service in general
About Road maintenance and repair
About 交通量
About 地方道路
About 投資
About 便益
About 費用
About 評価
About マイクロコンピューター