Line 4 (Nanjing Metro)
| Line 4 | |
|---|---|
| 4 | |
| Overview | |
| Status | In operation |
| Locale | Qixia, Jiangning, Xuanwu and Gulou districts Nanjing, Jiangsu |
| Termini | |
| Stations | 18 |
| Service | |
| Type | Rapid transit |
| Operator(s) | Nanjing Metro |
| Rolling stock | CRRC Nanjing Puzhen CIVAS |
| History | |
| Opened | January 18, 2017 |
| Technical | |
| Line length | 33.75 km (21.0 mi) |
| Number of tracks | 2 |
| Character | Underground (except elevated in Xianlinhu) |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) |
Line 4 is an east-west line on the Nanjing Metro, running from Xianlinhu to Longjiang. It consists of 18 stations and spans a total of 33.75 km (20.97 mi). The line color is purple, and it first opened on January 18, 2017.