| Native Name: | 上海地铁23号线 |
| Native Name Lang: | zh |
| Type: | Rapid transit |
| System: | Shanghai Metro |
| Status: | Under construction |
| Locale: | Xuhui, Minhang Shanghai, China |
| Stations: | 22 |
| Operator: | Shanghai No. Metro Operation Co., Ltd. |
| Character: | fully underground |
| Depot: | Chengjiang Road depot |
| Stock: | Class A 6-car trains |
| Tracklength: | 28.50NaN0 |
| Tracks: | 2 |
| Electrification: | Overhead lines (1500 volts) |
| Speed: | 80km/h |
| Map State: | collapsed |
Line 23 is an under construction Shanghai Metro line that would run from in Xuhui District to in Minhang District. Its It is planned to be 29km (18miles) in length, and is planned to have 22 stations. The line was announced by the Shanghai municipal government in 2016.[1] [2] It will adopt unmanned driving (GoA4).
The line will not utilise the existing branch Line 5 service between and stations, with the line planned to be fully underground.[3] Once complete, it will feature interchange stations with Lines 3, 4, 5, 15, and 19.[4] The construction period of this project is expected to be 74 months.
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| 0.0 | 0.0 | 0 | Xuhui | Phase I 2027 | ||||||
| Minhang | ||||||||||
| 28.5 | ||||||||||