公路工程属于野外线形工程,施工地点一般都位于荒郊野外,受自然地理因素的影响较大。同时,公路工程建设投资大、周期长,参与的单位、人员多,还要涉及不同的工程类别,包括路基工程、路面工程、桥涵工程、隧道工程、交通工程、绿化工程和环境工程等,每个工程类别又有各自的设计特 Highway engineering belongs to the field of linear engineering, construction sites are generally located in the wilderness, a greater impact by the physical and geographical factors. At the same time, there are many units and personnel involved in highway engineering construction with large investment, long period and various types of projects, including subgrade engineering, pavement engineering, bridge and culvert engineering, tunnel engineering, traffic engineering, afforestation and environmental engineering. A project category has its own special design