The total length is 20.1 km (12.49 mi) with 11 stations.

Line 9's color is pale green.

Line 9 was opened for operation on 28 December 2017.

[2][needs update] A 4.8 km (2.98 mi) extension of line 9 is planned to Forest Park station from Fei'eling station.

This Chinese rapid transit article is a stub.