Ba Tong line

The Ba Tong Line of the Beijing Subway (Chinese: 北京地铁八通线; pinyin: běijīng dìtiě bātōng xiàn) is an east-west rapid transit line in eastern Beijing. It extends Line 1 further east from Sihui in Chaoyang District to Hua Zhuang in Tongzhou District.

Ba Tong line
 Ba Tong 
Overview
Other name(s)M1 East (planned name)
Line 1 East
Line BT
TypeRapid transit
SystemBeijing Subway
StatusOperational
LocaleTongzhou and Chaoyang districts
Beijing
TerminiSi Hui
Hua Zhuang
Stations14
Ridership300,600 (2014 Avg.)[1]
364,800 (2014 Peak)
Operation
OpenedDecember 27, 2003 (2003-12-27)
Operator(s)Beijing Mass Transit Railway Operation Corp., Ltd
CharacterElevated, at-grade, underground
Depot(s)Sihui, Tuqiao[2]
Rolling stock6-car Type B (SFM01, SFM02, SFM07, BDK06)
Technical
Line length23.4 km (14.5 mi)[3]
Track gauge1,435 mm (4 ft 8 1⁄2 in) standard gauge
ElectrificationThird rail
Route map
line 1 Pingguoyuan
BT01 Si Hui
Line 1
connects Line 1 (for depot trains only)
Sihui depot
planned train-operating connection
with Line 1
 BT02 Si Hui Dong(E)
Line 1
Shuangsha railway
BT03 Gao Bei Dian
BT04 Communication University of China
BT05 Shuang Qiao
 BT06 Guaan Zhuang
Tonghui river
 BT07 Ba Li Qiao
Jingcheng railway
 BT08 Tongzhou Beiyuan
Jingha railway
 BT09 Guoyuan
 BT10 Jiu Ke Shu
 BT11 Li Yuan
 BT12 Lin He Li
BT13 Tu Qiao
Tuqiao depot
line 7 Beijing West railway station
 Hua Zhuang
Line 7
Xiaotaihou river
 Universal Resort (to be opened 2021)
Line 7

The Ba Tong Line derives its name by combining the first character of Bawangfen (八王坟), another name for Sihui, and Tongzhou (通州), the eastern suburban district of Beijing which the line serves.

The Ba Tong Line is mainly above ground with only 3.8 km section is underground[4] and runs 23.4 km (14.5 mi)[3] from the Sihui in the west to Hua Zhuang in the east. The colour of Ba Tong Line that is shown on maps, like that of Line 1, is red.

Since, aside from Line 6, the Ba Tong Line is the only subway line serving Tongzhou and eastern Chaoyang Districts, it tends be very crowded during rush hour. To alleviate this headways were reduced and skip-stop services were introduced during rush hour.

Fare

Starting fare of RMB(¥) 3.00 that increases according to the distance fare scheme introduced in December 2014.

Regular subway users can use a Yikatong card, which offers even cheaper journeys, as well as mobile phone apps, which deploy payment via a QR code.

Hours of Operation

The first east-bound train departs Sihui at 6:00am. The first west-bound train departs Tuqiao at 5:20am. The last east-bound train leaves Sihui 10:45pm. The last west-bound train leaves Tuqiao at 10:05pm. For the official timetable, see .

Route

The Ba Tong Line follows the Beijing-Tongzhou Expressway eastward from Si Hui to Guaan Zhuang. Between Gao Bei Dian and Guaan Zhuang, the Ba Tong Line and its stations are built into the highway's median. At Ba Li Qiao, the Ba Tong Line turns to the southeast and follows the Jingtang Road to Tu Qiao, which is located just inside the Tuqiao Bridge exit on the eastern 6th Ring Road.

Stations (from West to East)
Station
No.		 Service Route[5] Station Name Connections Nearby Bus Stops Travel Time Distance
km[6]		 Location
L R G English Chinese
BT01 ● ● ● Si Hui 四惠  1  1 57 58 322 363 397 405 455 468 475 496 506 517 553 605 657 666 671 865 988 989 夜1 夜27 专113 专167 0:00 0.000 0.000 Chaoyang
BT02 ● ● ● Si Hui Dong(E) 四惠东  1  363 397 468 475 506 517 553 666 夜27 专141 0:03 1.715 1.715
BT03 ● ● ● Gao Bei Dian 高碑店 363 397 475 506 517 666 夜27 专141 0:05 1.375 3.090
BT04 ● ● ● Communication University of China 传媒大学 397 475 506 666 夜27 专36 0:08 2.002 5.092
BT05 ● ● ● Shuang Qiao 双桥 382 397 411 451 475 506 666 夜27 0:11 1.894 6.986
BT06 ● ● ｜ Guaan Zhuang 管庄 364 388 442 532 615 666 690 BRT2(快速公交2) 夜27 专39 0:14 1.912 8.898
BT07 ● ● ｜ Ba Li Qiao 八里桥 322 615 647 666 668 807 夜27 0:17 1.763 10.661
BT08 ● ● ｜ Tongzhou Beiyuan 通州北苑 316 317 322 372 591 615 647 666 667 668 804 805 806 808 809 810 811 924 938 夜27 0:20 1.700 12.361 Tongzhou
BT09 ● ● ● Guo Yuan 果园 312 316 317 552 591 668 805 938 夜29 0:23 1.465 13.826
BT10 ● ｜ ● Jiu Ke Shu 九棵树 372 582 587 668 805 810 938 0:25 0.990 14.816
BT11 ● ｜ ● Li Yuan 梨园 372 587 589 647 668 805 806 810 938 0:28 1.225 16.041
BT12 ● ｜ ● Lin He Li 临河里 435 587 589 806 810 924 938 专173 专203 0:30 1.257 17.298
BT13 ● ｜ ● Tu Qiao 土桥 435 591 805 806 807 810 910 924 938 0:32 0.776 18.074
—[lower-alpha 1] ● ● ● Hua Zhuang 花庄  7  0:35 2.238 20.312
—[lower-alpha 1] Universal Resort 环球度假区  7  1.863 22.175
  1. No official station codes are given after 2007.
Gaobeidian station on the Ba Tong Line is located in the median of the Beijing-Tongzhou Expressway

Rolling stock

The line uses 6-car Type B rolling stock.

Current
ModelImageManufacturerYear BuiltYear RefurbishedAmount in ServiceFleet NumbersDepot
SFM01 CRRC Qingdao Sifang
Beijing Subway Rolling Stock Equipment		 2003 2015–2019 19 TQ401–TQ408, TQ414–TQ424 Tuqiao
SFM02 CRRC Qingdao Sifang 2018 5 TQ409–TQ413
SFM07 Beijing Subway Rolling Stock Equipment 2019 6 TQ425–TQ430
BDK06 Beijing Subway Rolling Stock Equipment 2019 Never 7 TQ431–TQ437

Former
ModelManufacturerYear BuiltYear RetiredNumber MadeFleet NumbersDepot
DK3 CRRC Changchun Railway Vehicles 1971 2005 14 TQ101–TQ114 Tuqiao
DK16 1986 2003 4 TQ115–TQ118

History

Phase 1

Construction of the Ba Tong Line began on December 28, 2001 and the line opened on December 27, 2003.

In 2012, traffic on Ba Tong Line was relieved by the opening of the parallel Line 6, with a 12.14% decrease in daily ridership and a 10–20% reduction in flow during rush hour.[7] However, during peak hours sections the line still operates above 100% capacity.[7]

Southern extension (Phase 2)

There are 2 stations on the southern extension: Hua Zhuang station and Universal Resort station (both are transfer stations with the eastern extension of Line 7).[8] The extension is 4.5 km in length,[9] including 3.8 km underground section.[10] Hua Zhuang station was opened on December 28, 2019.[11] Universal Resort station will open simultaneously with the opening of Universal Beijing Resort[12] (in May 2021[13]).

SegmentCommencementLengthStation(s)Name
Sihui — Tuqiao 27 December 2003 18.964 km (11.8 mi)[14] 13 Phase 1
Tuqiao — Hua Zhuang 28 December 2019[11] 4.5 km (2.8 mi)[9] 1 Phase 2 (Southern extension)
Hua Zhuang — Universal Resort 2021 (Planned)[12] 1

Future Development

Through operations with Line 1

In 2010, a CPPCC member Chen Dingwang, proposed that services on Line 1 and the Ba Tong Line should directly link, with through operations, reducing travel times and removing the unnecessary forced transfers at Si Hui Dong(E) or Si Hui.[15] However, the Beijing Subway responded that Line 1's and Ba Tong's signal systems are completely different, so through-operation will be more difficult to achieve from an engineering standpoint. As of 2016, preliminary design and feasibility studies are underway to allow for through operations between Line 1 and Ba Tong.[16] Work has begin through operation with Line 1 in conjunction with signal upgrades to allow trains to run every two minutes just like Line 1. Completion of this project is scheduled for 2021.[17]

References
  1. "Official Ridership". Beijing Subway. Archived from the original on 2013-03-22. Retrieved 2013-03-10.
  2. Liu Hongtao (刘洪涛) (2008). Song Minhua (宋敏华) (ed.). 北京地铁八通线勘察设计·施工监理·建设管理. Beijing: 中国建筑工业出版社. pp. 314–325. ISBN 978-7-112-09808-8.
  3. "北京地铁7号线东延和八通线南延今年底开通试运营".
  4. "通州三线换乘施园站封顶 八通线南延7号线东延明年底开通". 2018-12-15.
  5. "八通线 | 北京地铁官方网站". www.bjsubway.com. Retrieved 2020-04-24.
  6. "八通线路网车站站间距信息". Retrieved 2020-04-29.
  7. 我市轨道交通网络化运营效果凸显. 北京市交通委员会 [Beijing Municipal Transportation Committee]. 2013-02-07. Archived from the original on 2014-01-09. Retrieved 2013-09-15.
  8. http://www.xinhuanet.com/local/2018-12/15/c_1123856864.htm
  9. "地铁7号线东延、八通线南延今日试运行 年底开通". 2019-09-10.
  10. http://bj.people.com.cn/n2/2018/1215/c82840-32413471.html
  11. "7号线东延八通线南延本周六开通试运营 运营时间保持不变 环球度假区站暂不开通". 2019-12-25.
  12. "地铁7号线东延、八通线南延将于年底开通试运营". 2019-12-24. 环球度假区站将随环球度假区开放同步运营 (Universal Resort station will operate synchronously with the opening of Universal Beijing Resort.)
  13. "北京环球主题公园明年5月开园". 2020-02-16. Retrieved 2020-02-17.
  14. "北京地铁八通线轨道全线贯通 仍将确保年底通车". 2003-05-29.
  15. 北京地铁八通线一号线有望贯通. 中国网. 2011-09-16.
  16. 北京八通线南延工程初步设计顺利通过评审-千龙网·中国首都网. finance.qianlong.com. Retrieved 2016-11-17.
  17. "地铁八通线问题". 2019-06-28. Retrieved 2019-12-04.
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