Line 2 began construction in March 2016, as of July 2020, construction of all 23 stations are complete.[4]
In phase 1, it has a total length of 23.647 km, 23 stations,[2] 2 electrical stations and 1 control centre.
Security
There will be 3,500 cameras installed during Phase 1 alone, Dananmen Station (大南门站), a major interchange station, has 231 cameras installed.[5] All trains are unmanned and equipped with state-of-the-art technology.[6]