Line 2 (Zhengzhou Metro)
Line 2 of the Zhengzhou Metro (Chinese: 郑州地铁二号线; pinyin: Zhèngzhōu Dìtiě Èr Hào Xiàn) is a rapid transit line running from north to south of Zhengzhou. It opened on 19 August 2016. The line is currently 30.9 km long with 22 stations.
Through services are operated on Line 2 and Chengjiao line (part of future Line 9), although they are classified as separate lines.