公路工程档案是以公路工程项目为单位,在工程建设管理过程中形成的,具有保存价值的文字、数据、图纸、照片和录像带等文件材料的总称。它真实地记录了各个时期公路建设发展的全过程,是一个地区交通发展史的重要资料,是公路建设、管理、维护的重要 Highway project file is a general term for documentary materials such as texts, data, drawings, photos and video tapes, which are formed in the process of project construction management by highway project. It truly records the entire process of highway construction in various periods and is an important piece of information on the history of transportation in the area and an important part of highway construction, management and maintenance