The Dalian Metro is a rapid transit system in the city of Dalian, Liaoning, China. The metro system opened on 1 May 2003. The system currently in operation consists of 6 lines: Line 1, Line 2, Line 3, Line 5, Line 12, and Line 13.
^ ab"2017年统计报告". 中国城市轨道交通协会. 2018-04-19. Archived from the original on 2019-05-02. Retrieved 2018-04-28.