Line 22 (Pinggu line) of the Beijing Subway is a rapid transit line under construction in Beijing and Hebei Province.

Quick Facts Overview, Other name(s) ...

Pinggu line
Pinggu
Construction site of Machangying station in March 2024
Overview
Other name(s)	Line 22 M22 (planned name)
Status	Under construction
Locale	Chaoyang, Tongzhou and Pinggu districts (Beijing) & Sanhe (Langfang, Hebei Province)
Termini	Dongdaqiao Pinggu
Stations	22[1]
Service
Type	Rapid Transit
System	Beijing Subway
Rolling stock	8-car Type D[2]
History
Planned opening	2025 (planned)[3]
Technical
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	Dual voltage 25 kV 50 Hz AC and 1,500 V DC overhead wire[2]
Route map Legend Line 6 (Jin'anqiao ) Future long-term planning expansion Line 17 ( Jiahuihu – Future Science City North ) Dongdaqiao Line 6 Line 17 Line 28 Line 10 ( inner – outer ) Jintai Xizhao Line 10 Line 28 Line 28 ( Guangqudonglu) Line 14 ( Zhangguozhuang – Shangezhuang ) Hongmiao Line 14 Ciyunsiqiao Ganluyuan Pingfang depot Dingfuzhuang (Line 1 Fushouling ) Guaanzhuang Batong line (through operation to Line 1) Yongshun (Universal Resort ) Tongzhou Beiguan Line 6 Yunhe Shangwuqu Beijing Sub-Center railway station Line 6 Line 6 Beiyunhedong Zhengwuzhongxin Line 6 Lucheng Zhengwuzhongxindong Chaobai River – Boundary Beijing Hebei Yanjiaozhen Jingha Railway crossing Jingtang Intercity Railway crossing Shenwei Dajie Chaobai Dajie Gaolou Yanjiao Depot Qixinzhuang Pinggu Local Railway crossing Boundary Hebei Beijing Mafang Daqin Railway crossing Machangying Nongye Chuangxingang Pinggu v t e

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It will run from Dongdaqiao station in Chaoyang District to Pinggu station in Pinggu District with 22 stations, including 19 underground stations and 3 elevated stations (Qixinzhuang, Mafang and Machangying).^[1] The length of the line is 81.82 km (50.84 mi),^[1] and 53.8 km (33.4 mi) will be underground.^[4] The line will use 8-car Type D rolling stock^[2] and will open in 2025.^[3][5]

The line was originally planned to begin at Dongfengbeiqiao station and will end at Juhewan station in Pinggu District.^[8][9]

However, in 2019, it was announced that the line will run in a different route. The line will still start in the urban center of Pinggu District. However when reaching Yanjiao the line will instead head south through Tongzhou District and run under Chaoyang Road between Line 6 and the Batong Line towards Beijing central business district (Beijing CBD). The original plan to terminate the line at Dongfengbeiqiao station is now reserved as long-term planning. This was done to serve more populated areas of the city and enhance integration between Beijing's city center and its new sub-center in Tongzhou District.^[10]