Construction started in May 2017, and Lines 1 & 2 were to be open by 2022 when initial go ahead was granted by the NDRC in 2016,[1] but the project was put on hold by the NDRC in November 2017 owing to concerns over cost.

[2] The east-west Line 1 is to be 27.8 km (17.3 mi) long with 22 stations.

Construction was to begin on the Yuan 20.19bn ($US 3bn) project in May 2017 with commissioning scheduled for 2021.

The first phase of the north-south Line 2 was 14.3 km (8.9 mi) long with 11 stations and has a budget of Yuan 10.36bn.

In the longer-term a 182.5 km (113.40 mi) six-line network with 125 stations was envisaged.