Yizhuang line

For the tram line in Yizhuang, see Yizhuang T1 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.

Yizhuang line
A Yizhuang line train at Rongjing Dongjie station
Overview
Other name(s)	M24[1]/L2[2] (planned name)
Status	Operational
Locale	Tongzhou, Daxing, Chaoyang, and Fengtai districts Beijing
Termini	Songjiazhuang Yizhuang railway station
Stations	14
Service
Type	Rapid transit
System	Beijing Subway
Operator(s)	Beijing Mass Transit Railway Operation Corp., Ltd
Depot(s)	Songjiazhuang, Taihu
Rolling stock	6-car Type B (DKZ32)
Daily ridership	173,500 (2014 Avg.) 221,200 (2014 Peak)[3]
History
Opened	30 December 2010; 14 years ago (2010-12-30)
Technical
Line length	23.23 km (14.43 mi)[4]
Character	Underground and elevated
Track gauge	1,435 mm (4 ft 8+1⁄2 in)
Electrification	750 V DC third rail
Operating speed	80 km/h (50 mph) (maximum service speed)
Route map Legend Line 5 Tiantongyuanbei Line 10 inner – outer Songjiazhuang Line 5 and Line 10 Songjiazhuang yard Xiaocun Fengshuang railway Xiaohong Men Liangshui river Jiu Gong Liangshui river Yizhuang Qiao Yizhuang Culture Park Wanyuan Jie Rongjing Dongjie Rongchang Dongjie Tongji Nanlu Jinghai Lu Tonghui river irrigate canal Ciqunan Ciqu Line 17 Jiahuihu – Weilaikexuechengbei (Future Science City North) Yizhuang Railway Station (subway) Yizhuang railway station (China Railway) Beijing-Tianjin intercity railway Taihu depot v t e

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 快速直达专线116 快速直达专线211 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 快速直达专线13 快速直达专线182 夜23 专196	2.631	2.631	Chaoyang
Xiaohong Men	小红门		352 985 专196	1.275	3.906
Jiu Gong	旧宫		599 685 825 926 997 兴15 兴42 兴72 兴73 兴75 兴76 专25	2.366	6.272	Daxing
Yizhuang Qiao	亦庄桥		492 599 652 665 685 821 846 927 997 快速直达专线120 快速直达专线188 兴15 兴42 兴72 兴76	1.982	8.254
Yizhuang Culture Park	亦庄文化园		快速直达专线13 专181	0.993	9.247
Wanyuan Jie	万源街		324 492 652 821 927 975 976 快速直达专线120 T66 兴15	1.728	10.975
Rongjing Dongjie	荣京东街		492 523 652 665 846 快速直达专线120 快速直达专线188 兴15 兴76 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 快速直达专线1 快速直达专线120 快速直达专线188 T31 T63 兴16 兴32 兴38 兴43 兴47 兴48 兴49 兴50 兴51 兴56 兴58 兴76 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 快速直达专线166 T12 T28 T54 T63 T66 T67 T69 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 快速直达专线166 T28 T29 T56 T68 T68区 T87 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 T11 T56 T87 专159 专207	1.281	21.394
Yizhuang railway station	亦庄火车站		913 T110 专232	1.334[7]	22.728

History

Segment	Commencement	Length	Station(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

Model	Image	Manufacturer	Year Built	Amount in Service	Fleet Numbers	Depot
DKZ32		CRRC Changchun Railway Vehicles	2010	23	YZ 001–YZ 023	Songjiazhuang Taihu
CED5001		Beijing CRRC Changke Erqi	2023	4	YZ 024–YZ 027