Line 31 (Shanghai Metro)

For the metro line formerly known as Chongming line, see Line 22 (Shanghai Metro).

Line 31, formerly Line 22 from 2017 to 2024, is a future subway line on the Shanghai Metro. It will be located in south-west Shanghai near Dachang in Baoshan District and Nanxiang North railway station in Jiading District.^[1] The line was announced by the Municipal government in 2016.^{[2] [3]} By 2017, the initial proposal was approved and awaiting further planning.

Line 31
Overview
Native name	上海地铁31号线
Status	Planned
Locale	Baoshan, Jiading Shanghai, China
Website	www.shmetro.com
Service
Type	Rapid transit
System	Shanghai Metro
Operator(s)	Shanghai No. Metro Operation Co., Ltd.
Technical
Number of tracks	2
Track gauge	1,435 mm (4 ft 8+1⁄2 in)
Electrification	Overhead lines (1500 volts)
Route map