People's Republic of China Operating Lines Anshan Beijing Changchun Chongqing Dalian Guangzhou Hong Kong Shanghai Tianjin Wuhan Planned or Under Construction Chengdu Harbin Hangzhou Kunming Macao Nanjing Qingdao Shenyang Shenzhen Suzhou Weihai Wuxi Xi'an Zhengzhou
Zhengzhou planned metro A 26 km subway is planned for this capital of Henan province. Construction has not yet begun but is scheduled to start before the end of 2009.
Wikipedia page China Railways project brief