| Line 4 | 
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  | 
  | 
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| Status | Operational | 
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| Owner | Wuxi Government | 
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| Locale | Wuxi, Jiangsu, China | 
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| Termini | - Liutan
 - Wuxi Taihu International Expo Center
 
  | 
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| Stations | 18 | 
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|
| Type | Rapid transit | 
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| System | Wuxi Metro | 
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| Services | 1 | 
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| Operator(s) | Wuxi Metro | 
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|
| Opened | 17 December 2021 (2021-12-17)[1] | 
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|
| Line length | 25.4 km (15.8 mi)[2] | 
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| Number of tracks | 2 | 
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| Character | Underground | 
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| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) | 
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| Electrification | 1,500 V DC third rail | 
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 |          |   |         |   |    |    |    |    |    |   |    |    |    |    |    |   |    |    |    |  Liutan   |    |   |    |    |    |  Tianhe yard  |    |   |    |    |    |  Guangshi Road  |    |   |    |    |    |  Huangxiang  |    |   |    |    |    |    |    |   |    |    |    |  (   Service track to line 3)    |    |   |    |    |    |  Sheng'an   |    |   |    |    |    |  Huishan Ancient Town  |    |   |    |    |    |  Qingshanwan Rongjun Hospital  |    |   |    |    |    |  Heliekou   |    |   |    |    |    |  Xiyuanlong  |    |   |    |    |    |  Wuxi Sports Center  |    |   |    |    |    |  Xiajiabian  |    |   |    |    |    |  Lihudaqiao  |    |   |    |    |    |  Lake Li   |    |   |    |    |    |  Wuxi Grand Theater  |    |   |    |    |    |  Wuhu Avenue  |    |   |    |    |    |  Zhouxinyuan  |    |   |    |    |    |    |    |   |    |    |    |  Civic Center   |    |   |    |    |    |  Unnamed river  |    |   |    |    |    |  Wudu Road  |    |   |    |    |    |  Unnamed river  |    |   |    |    |    |  Fengrun Road  |    |   |    |    |    |  Shangxian River Wetland Park   |    |   |    |    |    |  Wuxi Taihu International Expo Center  |    |   |    |    |    |  Guqu Road Depot  |    |    |    |   |    |    |    |    |    |    |     |    |   |    |     | 
 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.[3] It opened on 17 December 2021.[1] 
 Opening timeline
   | Segment |  Commencement |  Length |  Station(s) |  Name  | 
  | Liutan — Wuxi Taihu International Expo Center  |  17 December 2021[1]  |  25.4 km (15.8 mi)[2]  |  18  |  Phase 1  | 
 Stations (north to south)
   | Station name  |  Connections  |  Distance km  |  Location  | 
  | English  |  Chinese  | 
  |   | 
  | Liutan  |  刘潭  |   1   |  0  |  0  |  Huishan  | 
  | Guangshi Road  |  广石路  |    |    |    |  Liangxi  | 
  | Huangxiang  |  黄巷  |    |    |    | 
  | Sheng'an  |  盛岸  |   3   |    |    | 
  | Huishan Ancient Town  |  惠山古镇  |    |    |    | 
  | Qingshanwan Rongjun Hospital  |  青山湾荣院  |    |    |    |  Binhu  | 
  | Heliekou  |  河埒口  |   2   |    |    | 
  | Xiyuanlong  |  西园弄  |    |    |    | 
  | Wuxi Sports Center  |  体育中心  |    |    |    | 
  | Xiajiabian  |  夏家边  |    |    |    | 
  | Lihudaqiao  |  蠡湖大桥  |    |    |    | 
  | Wuxi Grand Theater  |  大剧院  |    |    |    | 
  | Wuhu Avenue  |  五湖大道  |    |    |    | 
  | Zhouxinyuan  |  周新苑  |    |    |    | 
  | Civic Center  |  市民中心  |   1   |    |    | 
  | Wudu Road  |  吴都路  |    |    |    | 
  | Fengrun Road  |  丰润道  |    |    |    | 
  | Wuxi Taihu International Expo Center  |  博览中心  |    |    |    | 
  |   | 
 References
  Public transportation in Jiangsu (JS)  | 
|---|
    Nanjing Metro | | Lines in operation |  | 
|---|
 | Under construction |  -  3  (Phase 3)
  -  4  (Phase 2)
  -  6 
  -  9 
  -  10  (Phase 2)
  -  11 
  -  S2 
  -  S4  (Nanjing section)
  -  S5 
     | 
|---|
 | Under planning |  -  2  (eastern extension)
  -  3  (Phase 4)
  -  4  (Phase 3)
  -  8 
  -  9  (Phase 2)
  -  10  (Phase 3)
  -  16 
  -  18 
  -  S3  (eastern extension)
  -  S6  (western extension)
     | 
|---|
 
  | 
|---|
    Suzhou Metro | | Lines in operation |  | 
|---|
 | Under construction |  -  2  (northern extension)
  -  4  (northern extension)
  -  7  (northern extension)
  -  10  (S5)
     | 
|---|
 | Under planning |  | 
|---|
 
  | 
|---|
    Wuxi Metro | | Lines in operation |  | 
|---|
 | Under construction |  -  S2 
  -    (Phase 2)
  -  5  (Phase 1)
  -  6  (Phase 1)
     | 
|---|
 | Under planning |  -  2  anzhen
  -  5  (Phase 2)
  -  6  (Phase 2)
  -  3  (North extension)
  -  3  (South extension)
  -  3  Branch line
  -    (Phase 3)
  -  7 
  -  8 
     | 
|---|
 
  | 
|---|
    Changzhou Metro | | Lines in operation |  | 
|---|
 | Under construction |  | 
|---|
 | Under planning |  | 
|---|
 
  | 
|---|
  Xuzhou Metro | | Lines in operation |  | 
|---|
 | Under construction |  | 
|---|
 | Under planning |  | 
|---|
 
  | 
|---|
  Nantong RT |  | 
|---|
    Shanghai Metro (Jiangsu Section) |  | 
|---|
  Shanghai Suburban Railway (Jiangsu Section) |  | 
|---|
  LRT & trams |  | 
|---|
| Transportation hubs |   Int'l airports |  | 
|---|
   Railway stations |  | 
|---|
 
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