| Native Name: | 上海地铁22号线 |
| Native Name Lang: | zh |
| Other Name: | R4n (planned name) Line 19 (planned name up to 2016) Chongming Line (planned name between 2016 and 2024) |
| Type: | Rapid transit |
| System: | Shanghai Metro |
| Status: | Under construction |
| Locale: | Pudong, Chongming District Shanghai |
| Stations: | 8 |
| Planopen: | 2026 |
| Character: | Underground (40.925km, 7 stations) and at-grade (2.078km,) |
| Depot: | Dongjing Road depot Chenjia Town parking lot |
| Stock: | Class A 6-car trains (Express train)[1] |
| Linelength: | 42.80NaN0 |
| Electrification: | Overhead lines (1500 volts) |
| Speed: | 1200NaN0 |
Line 22 of the Shanghai Metro, formerly named Chongming line is a rapid transit line on the Shanghai Metro that is part of the 2018–2023 Shanghai Metro plan.[2] The Chongming line was previously treated as the last phase of Line 9, and was Line 19 until 2016, when it was renamed the Chongming line. It would then be renamed as Line 22 in September 2024.[3]
The Chongming line will start at in Pudong and end at in Chongming District, and will interchange with Lines 9 and 12. It will be long, including a 40.7km (25.3miles) underground section.
The phase I construction is expected to be opened at the end of 2025. The phase I start at in Pudong and end at in Chongming District, is 22.4 kilometers long, all of which are underground, with 5 stations and 1 vehicle base.
| Segment | Commenced | Opened | Length | Station(s) | Name | Investment | |
|---|---|---|---|---|---|---|---|
| Jinji Road - Changxing Island | 21 Mar 2021 | exp 2026 | 20.61NaN1 | 5 | Phase 1 | 32.82 billion yuan | |
| Changxing Island - Yu'an | 22.21NaN1 | 3 | Phase 2 | ||||
Station names according to an April 2019 planning document.[4]
| Station name | Connections | Distance | Location | |||
|---|---|---|---|---|---|---|
| 0 | 0 | Pudong | ||||
| 20.6 | Chongming District | |||||
| 42.8 | ||||||