Pinggu line

Pinggu line
Construction site of Machangying station in March 2024
Overview
Other name(s)Line 22
M22 (planned name)
StatusUnder construction
LocaleChaoyang, Tongzhou and Pinggu districts (Beijing) & Sanhe (Langfang, Hebei Province)
Termini
Stations22
Service
TypeRapid Transit
SystemBeijing Subway
Rolling stock8-car Type D
History
Planned opening2026 (planned)
Technical
Track gauge1,435 mm (4 ft 8+12 in) standard gauge
ElectrificationDual voltage 25 kV 50 Hz AC and 1,500 V DC overhead wire
Route map

Future long-term planning expansion
Dongdaqiao
Line 10 ( inner  outer )
Jintai Xizhao
Line 28 ( Guangqudonglu)
Hongmiao
Ciyunsiqiao
Ganluyuan
Pingfang depot
Dingfuzhuang
Guaanzhuang
Batong line (through operation to Line 1)
Yongshun
Tongzhou Beiguan
Yunhe Shangwuqu
Beijing Sub-Center railway station
Zhengwuzhongxin
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
Pinggu line
Simplified Chinese北京地铁22号线(平谷线)
Transcriptions
Standard Mandarin
Hanyu PinyinBěijīng Dìtiě Èrshí'èr Hào Xiàn (Pínggǔ Xiàn)

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

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). The length of the line is 81.82 km (50.84 mi), and 53.8 km (33.4 mi) will be underground. The line will use 8-car Type D rolling stock and will open from 2026.