Line 10 (Zhengzhou Metro)Line 10 of the Zhengzhou Metro is a rapid transit line in Zhengzhou, Henan Province, China. Phase 1 of Line 10 is long with 12 stations.HistoryPhase 1 of Line 10, from to, was approved by NDRC on 29 March 2019 and opened on 28 September 2023.Future developmentAn extension from to Zhengzhou Shangjie Airport is under planning. As of, the extension has not been approved by the NDRC.