Line 2 was planned to start construction at the end of 2015.[4] Built in phases, the first phase is 9.06 kilometers (5.6 mi)[2] with 9 stations. It will run from Yanbei Road to Dongfanghong Square, all within Chengguan District. The line have 2 transfer stations to Line 1, at Wulipu station and Dongfanghong Square station. The line will open in 2022.[1]
In December 2017, tunnel boring for the second line commenced. The tunnel will be at depths between 6.3 metres (21 ft) and 16.8 metres (55 ft).[5]