Line S1 of the Taizhou Rail Transit is a suburban rapid transit line in Taizhou, Zhejiang Province, China.

It runs from Taizhou Huochezhan to Chengnan.

The line started operation on 28 December 2022.

[2] The line is 52.396 kilometres (32.557 mi) in length with 15 stations, including 7 underground stations and 8 elevated stations.

[3] This Chinese rapid transit article is a stub.