| Line 4 | |
|---|---|
| 4 | |
 Train 0427 approaching Central Business District station | |
| Overview | |
| Status | Operating |
| Owner | Zhengzhou |
| Locale | Zhengzhou, Henan, China |
| Stations | 27 |
| Service | |
| Type | Rapid transit |
| System | Zhengzhou Metro |
| Operator(s) | Zhengzhou Metro Group Corporation |
| History | |
| Opened | 26 December 2020 |
| Technical | |
| Line length | 29.287 km (18.198 mi) |
| Number of tracks | 2 |
| Character | Underground |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) |
| Electrification | Overhead lines (1500 volts) |
Line 4 of Zhengzhou Metro (Chinese: 郑州地铁4号线; pinyin: zhèngzhōu dìtiě sìhào xiàn) is a rapid transit line in Zhengzhou. It opened on December 26, 2020.[1]
