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一、2011年全国轨道交通运营情况回顾据《2011年公路水路交通运输行业发展统计公报》显示,2011年,全国轨道交通运营线路58条,运营线路总长度1699km(如图1),中地铁为46条、1403km;、轻轨线路为5条、172km。截至2011年底,全国运营轨道交通的城市共有12座,分别是北、天津、上海、广州、深圳、南京、长春、沈阳、大连、成都、武汉、重庆。从城市轨道交通运营里程来看,上海位居全国首位,运营里程达454km;位第二名的是北京,运营里程372km,2012年底预计新增70km运营
According to “Statistical Bulletin of Highway and Waterway Transport Sector Development in 2011”, in 2011, there were 58 rail lines operating in the country, with a total length of 1699km (Figure 1) 46, 1403km; Light Rail Line 5, 172km. By the end of 2011, there were 12 cities operating rail transit in the country, namely North, Tianjin, Shanghai, Guangzhou, Shenzhen, Nanjing, Changchun, Shenyang, Dalian, Chengdu, Wuhan and Chongqing respectively. From the perspective of urban rail transit mileage, Shanghai ranks first in the country with a mileage of 454km. Beijing ranks second with an operating mileage of 372km and an estimated 70km of additional operations by the end of 2012