| Line S2 | |
|---|---|
| S2 | |
| Overview | |
| Other name(s) | Nanjing-Ma'anshan intercity railway |
| Status | Under construction |
| Termini | |
| Stations | 20 |
| Service | |
| Type | Rapid Transit |
| Operator(s) | Nanjing Metro |
| Technical | |
| Line length | 65.2 km (40.5 mi) |
| Number of tracks | 2 |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) |
| Operating speed | 120 kilometres per hour (75 mph) |
Line S2 (Chinese: 南京地铁S2号线; pinyin: Nánjīng Dìtiě S-Èr Hào Xiàn) is a suburban rapid transit line in the Nanjing Metro system which is currently under construction. The initial phase is expected to open in 2027.[1] The line will have passing loops for express and local services with express trains completing travel across the whole line in 30 minutes.[2]