The eastern section was opened on 10 December 2017 with 18 stations from Zhiquan Road to Licun Park.[1]
The western section from Zhiquan Road station to Taishan Road station opened on 16 December 2019. [2] Haixin Bridge station opened on 30 June 2023.
A 3.84 km (2.39 mi) extension from Taishan Road station to Sichuan Road (Qingdao Ferry Terminal) station started construction on October 26, 2019.[3] It is expected to open in 18 December 2024.[4]