公路是国民经济发展的重要基础设施，维护和管理公路的单位是各级公路养护部门，公路养护道班是公路养护部门的基础单位。公路养护中的每一项作业都要通过道班去实施和完成。养路道班的面貌直接反映公路养护部门的素质，道班的工作成果直接表现在社会经济效益上。公路的畅通靠 The highway is an important infrastructure for the development of the national economy. The units that maintain and manage roads are the road maintenance departments at all levels and the road maintenance road classes are the basic units of highway maintenance departments. Every homework in road maintenance should be carried out and completed by the road class. The appearance of road maintenance class directly reflects the quality of road maintenance department, the work results of road class directly in the social and economic benefits. Freeway by the highway