Line S1 (Wuxi Metro)

Xicheng Rail Transit Line S1 (), also known as Wuxi Metro Line S1, Wuxi to Jiangyin Intercity Rail Transit , or Xichengjing Intercity , is a line connecting and Wuxi urban area and Jiangyin, as part of the Jiangsu Yangtze Metropolitan Belt intercity railway. It officially began operations on 31 January 2024.

Introduction
Wuxi Metro Line S1 starts from Jiangyin Bund station in Jiangyin. It runs along Anyuugang Road, Hongqiao Road, and Xu Xiake Avenue in Jiangyin. After entering Huishan District, Wuxi, it walks along Huishan Avenue and connects to Wuxi Metro Line 1 at Yanqiao station, in Huishan District, Wuxi. The total length of this line is 30.4km, including 10.5km of underground lines, 0.2km of transition sections, and 19.7km of elevated lines. It has 10 stations, including 5 underground stations and 4 above ground stations.

History
In April 2012, Wuxi Metro Line S1 was approved for construction by the National Development and Reform Commission in conjunction with the "Jiangsu Province Intercity Rail Transit Network Plan for Urban Agglomerations Along the River (2012-2020)". In the plan, this line is named Wuxi-Jiangyin-Jingjiang Line Wuxi-Jiangyin Section, with a total length of 31 kilometers, and is planned to be implemented between 2012 and 2015.

In October 2019, work on the S1 line was formally approved, and it officially began construction.

In 2020, the Jiangyin to Jingjiang section of the S1 line was included in the Yangtze River Delta multi-level rail transit system plan that is being compiled. In the same year, the Xicheng intercity railway was fully started, and the main projects of Jiangyin Bund Station, Jiangyin Bund Station-Zhongshan Park Station section ventilation shaft, Zhongshan Park Station, and Nanmen Station officially obtained the "Construction Engineering Construction Permit".

On 27 December 2022, the S1 line right-of-way was fully constructed, and post-station construction such as track laying and installation began.

From 20 to 22 January 2024, a free trial ride will be held.

On 31 January 2024, the line was opened.