It's the first automatic operation metro line in Qingdao.

Construction of phase I of line 6 started on 16 December 2019.

[3] Test run (without passengers) started on 12 September 2023.

[1][2] Construction of phase II of Line 6, 13.85 km with 10 stations from Qingdao West railway station to Lingshan Bay, started on 2 July 2022.

[6] This Chinese rapid transit article is a stub.