0引言农村公路连接着城市和乡村,是服务于农村生产、生活的公路,包括县道、乡道和村道。农村公路是支撑中国农业和农村经济发展的重要基础设施,也是中国公路网的重要组成部分。“十一五”期间,国家投入1 000亿元资金对全国所有县、乡公路进行改造和升级。 0 Introduction Rural roads connect cities and villages and serve as roads for rural areas to produce and live, including county roads, township roads and village roads. Rural roads are important infrastructures that support the development of agriculture and rural economy in China and are also an important part of China’s road network. During the 11th Five-Year Plan, the state invested 100 billion yuan in funds to upgrade and upgrade all the county and township highways in the country.