Yizhuang line

The Yizhuang Line of the Beijing Subway (simplified Chinese: 北京地铁亦庄线; traditional Chinese: 北京地鐵亦莊線; pinyin: Běijīng Dìtiě Yìzhuāng Xiàn) is a rapid transit line that connects the Yizhuang Development Area with Beijing's subway network. The line is 23.23 km (14.43 mi) long with 14 stations, including six underground and eight elevated.[4] It runs from Songjiazhuang in Fengtai District to Yizhuang Railway Station in Tongzhou District and passes through the southern Chaoyang and northern Daxing Districts.[5] Total investment for the line was estimated at ¥1.2 billion.[4] Construction began on December 8, 2007[6] and the line opened on December 30, 2010.[4] Yizhuang line's color is magenta.

For the tram line in Yizhuang, see Yizhuang T1 line.
Yizhuang line
A Yizhuang line train at Rongjing Dongjie station
Overview
Other name(s)M24[1]/L2[2] (planned name)
StatusOperational
LocaleTongzhou, Daxing, Chaoyang, and Fengtai districts
Beijing
Termini
Stations14
Service
TypeRapid transit
SystemBeijing Subway
Operator(s)Beijing Mass Transit Railway Operation Corp., Ltd
Depot(s)Songjiazhuang, Taihu
Rolling stock6-car Type B (DKZ32)
Daily ridership173,500 (2014 Avg.)
221,200 (2014 Peak)[3]
History
Opened30 December 2010 (2010-12-30)
Technical
Line length23.23 km (14.43 mi)[4]
CharacterUnderground and elevated
Track gauge1,435 mm (4 ft 8+1⁄2 in)
Electrification750 V DC third rail
Operating speed80 km/h (50 mph) (maximum service speed)
Route map
Line 5 Tiantongyuanbei Up arrow
Left arrow Line 10 inner – outer Right arrow
Songjiazhuang
Line 5 and Line 10
Songjiazhuang yard
 Xiaocun
Fengshuang railway
 Xiaohongmen
Liangshui river
 Jiugong
Liangshui river
 Yizhuangqiao
 Yizhuang Culture Park
 Wanyuan Jie
 Rongjing Dongjie
 Rongchang Dongjie
 Tongji Nanlu
 Jinghai Lu
Tonghui river irrigate canal
 Ciqunan
 Ciqu
Line 17
Left arrow Jiahuihu – Future Science Park North Right arrow
 Yizhuang Railway Station (subway)
 Yizhuang railway station (China Railway)
Beijing-Tianjin intercity railway
(CRH station not yet opened)
Taihu depot
A Yizhuang line train at Yizhuangqiao station, which is one of the 8 elevated stations along this line

List of stations
Station Name Connections Nearby Bus Stops Distance
km[7]		 Location
English Chinese
Songjiazhuang 宋家庄  5   10  2 39 84 139 141 366 511 524 526 555 576 581 990 夜28 专62 专189 0.000 0.000 Fengtai
Xiaocun 肖村 25 93 128 400 400快 602 665 680 820 821 985 990 夜23 专196 2.631 2.631 Chaoyang
Xiaohongmen 小红门 352 985 专196 1.275 3.906
Jiugong 旧宫 324 599 685 825 926 997 兴15 兴72 兴73 兴75 专25 2.366 6.272 Daxing
Yizhuangqiao 亦庄桥 324 492 599 652 665 685 821 846 927 997 兴15 兴47 兴72 1.982 8.254
Yizhuang Culture Park 亦庄文化园 专181 0.993 9.247
Wanyuan Jie 万源街 324 492 652 821 927 975 976 通30 通66 兴15 1.728 10.975
Rongjing Dongjie 荣京东街 492 523 652 665 846 兴15 兴78 专185 1.090 12.065
Rongchang Dongjie 荣昌东街  Yizhuang T1  324 453 542 578 580 652 665 826 846 913 通31 通63 兴16 兴32 兴38 兴43 兴47 兴48 兴49 兴49快 兴50 兴56 兴58 兴78 专41 专96 专181 专183 专184 专185 专187 专188 1.355 13.420
Tongji Nanlu 同济南路 542 821 846 927 975 976 913 通12 通28 通54 通63 通66 通67 通69 兴32 兴43 兴51 兴58 专41 专96 专184 专188 2.337 15.757 Tongzhou
Jinghai Lu 经海路 523 通28 通28支 通56 通68 通87 专47 专159 专182 专184 专188 专232 2.301 18.058
Ciqunan 次渠南 专207 2.055 20.113
Ciqu 次渠  17  637 820 986 通11 通30 通56 通87 专159 专207 1.281 21.394
Yizhuang railway station 亦庄火车站 913 1.334[7] 22.728

History
SegmentCommencementLengthStation(s)Name
Songjiazhuang — Ciqu 30 December 2010 21.4 km (13.30 mi) 13 (initial phase)
Ciqu — Yizhuang Railway Station 30 December 2018 1.334 km (0.83 mi) 1 one-station extension

Accidents and Incidents

On March 26, 2015, train YZ021 was testing when it derailed around Taihu. No passengers were on board and the driver faced leg injuries.[8][9][10]

Future development

In 8 July 2022, an EIA document regarding Phase III construction of Beijing rail transport system (2022–2027) announced to reform the connection tracks between Yizhuang line, the line 5 and the line 10, so that trains of Yizhuang line can operate through trains with lines 5 and 10. It will require a maximum of 1.1 km (0.68 mi) new tracks near Songjiazhuang train depot, between Songjiazhuang stations of Yizhuang line and line 5, and Chengshousi station of line 10, it will also require to rebuild 0.5 km tracks for train storages within Songjiazhuang depot.[11]

Rolling Stock
ModelImageManufacturerYear BuiltAmount in ServiceFleet NumbersDepot
DKZ32 CRRC Changchun Railway Vehicles 2010 23 YZ 001–YZ 023 Songjiazhuang
Taihu

References
  1. "北京市朝阳区国民经济和社会发展第十四个五年规划和二〇三五年远景目标纲要". 2021-03-18.
  2. "北京市城市快速轨道交通建设规划（2007—2015）". 2015-03-24. Archived from the original on 2020-09-16.
  3. 2014年4月30日综合交通总体运行情况 (in Simplified Chinese). 北京市交通信息中心 北京市交通运行监测调度中心. 2014-05-01. Archived from the original on 2014-05-02. Retrieved 2014-05-02.
  4. 北京地铁亦庄线望2010年建成 全长23.23公里 (in Simplified Chinese). Xinhua News. 2008-12-02. Archived from the original on July 20, 2011.
  5. (Chinese) Yizhuang Line Information Page BII Archived 2008-11-07 at the Wayback Machine
  6. "北京5条地铁8日上午开工 2015年全部完工(图)". Xinhuanet. 2007-12-09. Archived from the original on 2007-12-11. Retrieved 2020-07-21.
  7. "亦庄线路网车站站间距信息". Retrieved 2020-04-29.
  8. "Trial train of Beijing subway derails, no casualties found". Sina News. 2015-03-25. Retrieved 2020-08-31.
  9. "Subway train derails during test run in Beijing". South China Morning Post. Retrieved 2020-12-09.
  10. "Subway train on Yizhuang Line derails". people.cn. Retrieved 2020-12-09.
  11. "北京市轨道交通第三期建设规划（2022-2027年）环境影响报告书（征求意见稿）.pdf" (PDF). China Academy of Railway Sciences Co., Ltd. 2022-07-08. Archived from the original (PDF) on 2022-07-08. Retrieved 2022-07-08.
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