[4] The initial section of Jiangtiao line from Tiaodeng to Shengquansi opened on 6 August 2022.
[5] Jiangtiao line is also the first rapid transit line in China that supports auto-switching between AC and DC sections without dropping pantographs down.
Switch actions are performed at a dead section east of Zhongliangshan Tunnel.
[6] The initial section from Tiaodeng to Shengquansi began construction in 2015.
The section will be 4.524 km (2.811 mi) in length with 2 stations.