
The total length is about 11 km, with 9 stations.

On February 10, the western extension of Chongqing Rail Transit Line 4 commenced initial operations. The western extension is about 11 km long, running east from Min'an Avenue Station to west at Shunshuisi Park Station, with 9 stations in total, though Shunshuisi Park Station will be opened later. In addition, transferring between Yudaishan Station and the Loop Line requires exiting the station.