| Native Name: | 苏州地铁4号线 |
| Type: | Rapid transit |
| System: | Suzhou Rail Transit |
| Status: | In operation |
| Start: | Longdaobang / Hongzhuang |
| End: | Tongli / Muli |
| Stations: | 38 |
| Owner: | Suzhou Rail Transit Co., Ltd |
| Operator: | Suzhou Rail Transit Co., Ltd |
| Linelength: | 41.5km (25.8miles) (main line) 11.3km (07miles) (branch line) 52.8km (32.8miles) (total) |
| Map State: | collapsed |
Line 4 is a line of Suzhou Rail Transit. It runs in a north-south alignment from Longdaobang station in Xiangcheng District's the northern suburbs, to the canal town of Tongli in Wujiang District in the south and Muli in the southwest.[1] The line is 52.8 km long with 38 stations,[2] which consists of a 41.5 kilometer long main line with 30 stations and a branch line.[3]
Groundbreaking occurred on December 31, 2010 in Wujiang, and the line was constructed between 2012 and 2016.[4] Operations started on April 15, 2017.
| Segment | Commencement | Length | Station(s) | Name |
|---|---|---|---|---|
| Longdaobang — Tongli | April 15, 2017 | 41.52NaN2 | 31 | Phase 1 |
| Hongzhuang — Muli | 11.32NaN2 | 7 |
| Service routes | Station name | Connections | Distance | Location | ||||
|---|---|---|---|---|---|---|---|---|
| ● | 0.00 | 0.00 | Xiangcheng | |||||
| ● | 1.29 | 1.29 | ||||||
| ● | 0.83 | 2.12 | ||||||
| ● | 1.68 | 3.80 | ||||||
| ● | 1.44 | 5.24 | ||||||
| ● | 1.85 | 7.09 | Gusu | |||||
| ● | 1.09 | 8.18 | ||||||
| ● | SZH | 0.97 | 9.15 | |||||
| ● | 1.45 | 10.60 | ||||||
| ● | 0.95 | 11.55 | ||||||
| ● | 0.54 | 12.09 | ||||||
| ● | 1.01 | 13.10 | ||||||
| ● | 0.79 | 13.89 | ||||||
| ● | 0.67 | 14.56 | ||||||
| ● | 1.00 | 15.56 | Gusu/Wuzhong | |||||
| ● | 0.98 | 16.54 | Wuzhong | |||||
| ● | 1.60 | 18.14 | ||||||
| ● | ● | 1.90 | 20.04 | |||||
| ● | ｜ | 1.68 | 21.72 | Wuzhong/Wujiang | ||||
| ● | ｜ | 2.04 | 23.76 | Wujiang | ||||
| ● | ｜ | 2.94 | 26.70 | |||||
| ● | ｜ | 1.39 | 28.09 | |||||
| ● | ｜ | 1.75 | 29.84 | |||||
| ● | ｜ | 0.81 | 30.65 | |||||
| ● | ｜ | 1.16 | 31.81 | |||||
| ● | ｜ | 1.00 | 32.81 | |||||
| ● | ｜ | 1.12 | 33.93 | |||||
| ● | ｜ | 1.89 | 35.82 | |||||
| ● | ｜ | 1.83 | 37.65 | |||||
| ● | ｜ | 1.73 | 39.38 | |||||
| ● | ｜ | 1.89 | 41.27 | |||||
| ● | 1.01 | 42.28 | Wuzhong | |||||
| ● | 2.02 | 44.30 | ||||||
| ● | 1.27 | 45.57 | ||||||
| ● | 1.38 | 46.95 | ||||||
| ● | 1.48 | 48.43 | ||||||
| ● | 1.08 | 49.51 | ||||||
| ● | 1.63 | 51.14 | ||||||
Trains are run in six-car formations, and have a maximum speed of 80 km/h.[1]
| Fleet numbers | Year Built | Time in service | Builder | Class | Number in service | No of car | Assembly | Rolling stock | Number | Depots | Line assigned | Notes | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 240 (40 sets) | 2015-2017 | 2017-present | CSR Nanjing Puzhen | B | 240 (40 sets) | 6 | Tc＋Mp＋M - M + Mp＋Tc | PM081 | 040101-044006 (0401-0440) | Songling Depot Yuanhe Yard Tian'Edang Yard | |||
| 60 (10 sets) | 2023-2024 | 2024-present | CRRC Nanjing Puzhen | B | 18 (3 sets) | 6 | Tc＋Mp＋M - M + Mp＋Tc | PM254 | 044101-045006 (0441-0450) | Songling Depot Yuanhe Yard Tian'Edang Yard |