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根据交通运输部的统计数据,2013年年末全国公路总里程达435.62×104km,比上年末增加11.87×104km。公路密度为45.38 km/102km2,提高1.24 km/102km2。全国等级公路里程375.56×104km,比上年末增加14.60×104km。等级公路占公路总里程86.2%,提高1.0个百分点。各行政等级公路里程分别为:国道17.68×104km(其中普通国道10.60×104km)、省道31.79×104km、县道54.68×104km、乡道109.05×104
According to statistics from the Ministry of Transport, the total length of highways nationwide reached 435.62 × 104km at the end of 2013, an increase of 11.87 × 104km over the previous year. The road density is 45.38 km / 102 km2, increasing by 1.24 km / 102 km2. National grade highway mileage 375.56 × 104km, an increase of 14.60 × 104km over the previous year. Grade highway accounted for 86.2% of the total mileage of the highway, an increase of 1.0 percentage point. The administrative highway mileage is respectively 17.68 × 104km (including 10.60 × 104km for common national highway), 31.79 × 104km for provincial highway, 54.68 × 104km for county road, and 109.05 × 104 for township road