2月5日，汽车在刚开通的龙洞堡大道上行驶。当日，贵阳市“三环十六射”骨架路网中的最后四条“射线”建成通车，这标志着贵阳中心城区城市骨架路网建设的全面完成。据悉，贵阳市“三环十六射”骨架路网自2007年起开始建设，全长121公里，双向四车道，设计时速100公里/小时，环线内面积达500多平方公里。新华社记者 欧东衢 摄 On February 5,The car just open fort longdong road driving.the,guiyang"Tricyclic 16 shot"The last four skeleton network"ray"Built to traffic,This marks the guiyang city center city skeleton network construction completed.It is reported,guiyang"Tricyclic 16 shot"Skeleton network since 2007 began construction,Total length of 121 km,Bidirectional four lane,Design speed of 100 km/hour,Loop inside the area more than 500 square kilometers.Xinhua news agency reporter Europe east qu perturbation

     2月5日，汽车在刚开通的龙洞堡大道上行驶。新华社记者 欧东衢 摄  On February 5,The car just open fort longdong road driving.Xinhua news agency reporter Europe east qu perturbation