It runs in a north-south alignment from Longdaobang station in Xiangcheng District's the northern suburbs, to the canal town of Tongli in Wujiang District in the south.

[1] The line is 41.5 km long with 31 stations.

Until October 2024 there was a 11.3 km long branch line with 7 stations.

[2][3] Groundbreaking occurred on December 31, 2010 in Wujiang, and the line was constructed between 2012 and 2016.

Trains are run in six-car formations, and have a maximum speed of 80 km/h.