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据国家发改委综合运输研究所完成的《2012—2013年中国城市轨道交通发展报告》统计,2013年,预计有12个城市将开通运营轨道交通线路,其中新增首次运营的城市有哈尔滨、长沙、宁波、郑州,总计新增运营里程约387公里。城市轨道交通包括地铁、轻轨、有轨电车等,在目前国内的建设项目中,主要以地铁为主。目前,除了大城市,一些中型城市甚至中小型城市都掀起了地铁建设热潮。
According to the “Report on Urban Mass Transit Development in China 2012-2013” completed by the National Institute of Comprehensive Transportation Research Institute of National Development and Reform Commission, in 2013, 12 cities are expected to open rail transit lines for operation. Among them, the newly-added cities include Harbin, Changsha, Ningbo, Zhengzhou, a total of about 387 kilometers of new operating mileage. Urban rail transit, including subway, light rail, tram, etc., in the current domestic construction projects, mainly in the subway. At present, in addition to large cities, some medium-sized cities and even small and medium-sized cities have set off a subway construction craze.