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根据《交通运输部关于印发2012年度国家干线公路网监测实施方案的通知》(交公路发(2012)496号)和《交通运输部办公厅关于做好“十二五”全国干线公路养护管理检查准备工作的通知》(厅公路字(2012)224号),2012年10月至12月,交通运输部组织对全国30个省(区、市,不含西藏)的2.21万公里普通国道路况进行了随机抽检,对21个省(区、市)的40座长大桥梁进行了抽检巡查。
According to the “Notice of the Ministry of Transport on Printing and Distributing the 2012 National Trunk Highway Network Monitoring Implementation Plan” (交 路路 发 (2012) 496 号) and the “General Office of the Ministry of Transport of the People’s Republic of China on the Twelfth Five-year Plan” (2012 Highway No. 224), from October to December 2012, the Ministry of Transport organized a survey of 22,100 km of common national highway (highway) in 30 provinces (autonomous regions, municipalities and autonomous regions) in China, Traffic conditions were random sampling, 21 provinces (autonomous regions and municipalities) of the 40 bridges were sampled inspection.