南京市交通局是市政府主管交通的职能部门,负责基础设施、水路客货运输、交通工业和行业的发展规划、建设和管理。改革开放特别是九十年代以来,南京交通发生了翻天覆地的变化,取得了历史性的辉煌成就。目前,全市公路总里程达6652公里,其中,国道279公里,省道325公里。东有沪宁高速公路,南有机场高速公路、宁高、宁马高速公路,西有宁合一级公路,北有宁连、宁通一级公路,基本形成了以高等级公路向外辐射的 Nanjing Bureau of Transportation is the municipal government competent traffic department, responsible for infrastructure, waterway passenger and freight transport, transport industry and industry development planning, construction and management. Since the reform and opening up, especially since the nineties, there have been tremendous changes in transportation in Nanjing and historic achievements have been made. At present, the total length of the city’s highway is 6,652 kilometers, of which 279 kilometers are national highways and 325 kilometers provincial highways. There is the Shanghai-Nanjing Expressway in the east, the Airport Expressway in the south, Ninggao Expressway, Ningma Expressway, the Ninghe First Grade Highway in the west and Ninglian Grade One Highway in the north. Radiation to the highways is basically formed of