随着公路等级的提高和改革的发展,全国各地公路局系统相应组建了一些大道班或养护公司。大道班养护里程一般在50公里左右,但养护工大部分仍然分散在基本固定的路段上作业。养护生产基本是以人工为主,辅之以少量机械化程度较低的机械。养护机构越来越庞大,国家的包袱越来越 With the improvement of the highway level and the development of the reform, a certain number of road classes or conservation companies have been set up by the Bureau of Highway Administration across the country accordingly. Avenue class maintenance mileage is generally about 50 kilometers, but most of the conservation workers are still scattered in the basic fixed road operation. The basic maintenance is labor-based, supplemented by a small amount of mechanized machinery. Increasingly large conservation agencies, the country’s burden more and more