Line S4 of Suzhou Rail Transit (Chinese: 苏州轨道交通S4线) will be a north–south rapid transit express line. The line will run through Zhangjiagang, Changshu, Xiangcheng, Gusu, Wuzhong, and Wujiang. The line will serve as a rapid connection between the main city of Suzhou and the county-level city of Changshu, and to a lesser extent, Zhangjiagang.[1]

There is no planned construction date, but construction is expected to start before 2035.

References

  1. ^ "独家 | 提前解密《苏州市城市轨道交通线网规划（2035）》". www.sohu.com. Retrieved 2020-02-07.