- Source: Line 4 (Wuxi Metro)
- Manila Metro Rail Transit System
- Metro Wuhan
- Metro Delhi
- Shanghai Metro
- Kolkata Metro
- Metro Guangzhou
- Metro Lahore
- Ankara Metro
- Xi'an Metro
- Transportasi rel dalam kota di Tiongkok
- Line 4 (Wuxi Metro)
- Wuxi Metro
- Line S1 (Wuxi Metro)
- Line 3 (Wuxi Metro)
- Line 1 (Wuxi Metro)
- Line 2 (Wuxi Metro)
- Wuxi
- Line 4
- Hanoi Metro
- Blue Line (Delhi Metro)
Line 4 of the Wuxi Metro (Chinese: 无锡地铁4号线) is a rapid transit line in Wuxi, China.
Construction on the first phase of the line began on 28 March 2017. It opened on 17 December 2021.