采用“当量里程”作为公路状况评价重要指标之刍仪王德忠省交通厅计统处长期以来，衡量一个地区公路发达程度的指标主要使用单位土地面积拥有公路里程数（千米／平方千米）、单位人口拥有公路里程数（千米／万人）、甚至是总里程等指标．值得一提的是：上述指标中的公路里... Using Equivalent Mileage as an Important Indicator for Highway Condition Evaluation Wang Dezhong Department of Transportation, National Bureau of Transportation and Information Technology Over a long period of time, the indicator to measure the degree of development of a highway in a region mainly uses highway mileage (km / km2) per unit of land area, Unit population has mileage (km / million), and even total mileage and other indicators. It is worth mentioning that: the above indicators in the highway ...