Line 6, Beijing Subway

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Line 6
六号线
BJS Line 6 icon.svg
北京地铁6号线列车图.jpg
An 8-car Line 6 train
Overview
Type Rapid transit
System Beijing Subway
Status Completed
Termini Haidian Wuluju
Caofang
Stations 21
Daily ridership 735,500 (2014 Peak)[1]
~700,000 (Avg. Weekday)[2]
Operation
Opening 30 December 2012
Operator(s) Beijing Mass Transit Railway Operation Corp., Ltd
Character Underground
Technical
Line length 31.0 km (19.3 mi)
Track gauge 1,435 mm (4 ft 8 12 in) standard gauge
Electrification 1500 V Overhead line
Operating speed 100 km/h
Route map
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Haidian Wuluju
Lines 6, 10
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Cishousi
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Huayuanqiao
Lines 6, 9
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Baishiqiao South
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Erligou
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Chegongzhuang West
Lines 2, 6
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Chegongzhuang
Lines 4, 6
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Ping'anli
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Beihai North
Lines 6, 8
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Nanluoguxiang
Lines 5, 6
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Dongsi
Lines 2, 6
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Chaoyangmen
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Dongdaqiao
Lines 6, 10
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Hujialou
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Jintailu
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Shilipu
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Qingnianlu
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Dalianpo
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Huangqu
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Changying
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Caofang

Line 6 of the Beijing Subway (Chinese: 北京地铁6号线; pinyin: běijīng dìtiě liùhào xiàn) is a rapid transit rail line in central Beijing. The line currently runs parallel to the north of Line 1 and the Batong Line, from Wulu in Haidian to Caofang in Chaoyang District. It is planned that the line will be extended by 2015 in both directions: to Shijingshan to the west, and to Tongzhou to the east. With these extensions, it is expected to be 50.67 km long with 32 stations.

Line 6 uses Beijing Subway's highest capacity rolling stock to date featuring 8-car size B train sets accommodating 1,960 people, compared to the standard 6 cars found on other lines except the Airport Express line which has 4-car train sets.[3] It is also the fastest in the subway system, with trains capable of reaching the speed of 100 km/h compared to 80 km/h on other lines. Stations to the east of the 3rd Ring Road to Tongzhou are more widely spaced, the furthest being 4 km apart. These factors allows passengers to travel the whole line in just 48 minutes. Line 6 also has the deepest station in the network, Dongsi Station, which is 34 meters underground.[4] The line uses 1500V overhead catenary as opposed to 750V third rail used on other lines.[5]

Planning[edit]

Line 6 was originally planned to be a east west line passing under Chaoyang Avenue continuing straight westward. However this alignment will make Line 6 tunnel extremely close to the Forbidden City in its central section. Issues of historic conservation and protection of the alignment were raised. To avoid damaging cultural relics in the area, the entire western and middle section of line 6 was shifted 1.5 km northward to Ping'an Avenue, forming the route of Line 6 today.[6][7] Line 6 started construction on December 8, 2007 as one of the "horizontal" east west lines of the "three-ring, four horizontal and five vertical and seven radial" Beijing Subway masterplan.[8]

Line 6 was originally planned to terminate at Cishousi Station with the Mentougou Low Speed Maglev Line continuing the line westward. However issues of low of capacity and electromagnetic radiation concerns of Maglev technology, the Mentougou Maglev section between Cishousi and Pingguoyuan station was replaced by a new Phase 3 western extension of Line 6.[9] Later the plan was revised with Line 6 being further extended westward beyond Pingguoyuan to Jin'anqiao station, paralleling the Mentougou Maglev Line.[10]

Route and Stations[edit]

Line 6's route drawn to scale.

Construction is planned in three phases, the first phase in central Beijing, followed by extensions into the eastern and western suburbs. Line 6 is projected to have a short term volume of 700,000 passengers per day and a long term daily passenger traffic of 1.4 million passengers. Though due to its alignment through some of Beijing's densest residential neighborhoods and paralleling the overcapacity and busy Line 1, some industry leaders believe that the average daily passenger flow of the line may exceeded 1.4 million sooner than expected.[5] Within the first few months of operation weekday ridership was at 320,000 passengers. However by 2014, daily ridership has risen to 700,000 with sections operating at 100% capacity during rush hour. Authorities responded by adding more trains and shortening headway to reduce crowding.[2]

Phase I[edit]

In Phase I, Line 6 runs 30 km from Wulu in Haidian District to Caoying in Tongzhou District following Linglong Road, Sanlihe Road, Chaoyang North Rd., the west bank of the Grand Canal, and Grand Canal East Road. Of the 20 planned stations, 12 will offer transfer connections to other lines. Construction began in December 2007 and was completed in 2012. Total investment for Phase I was estimated at ¥19.7 billion.[11]

Planned stations from west to east (and transfer stations other lines -- bold denotes lines in operation; italic denotes lines under construction):[11]

Stations[edit]

Station Name
English
Station Name
Hanzi
Transfer
Location
Haidian Wuluju 海淀五路居 Haidian
Cishousi 慈寿寺 10
Huayuanqiao 花园桥
Baishiqiao South 白石桥南 9
Erligou 二里沟 Haidian/Xicheng
Chegongzhuang West 车公庄西 Xicheng
Chegongzhuang 车公庄 2
Ping'anli 平安里 4
Beihai North 北海北
Nanluoguxiang 南锣鼓巷 8 Dongcheng
Dongsi 东四 5
Chaoyangmen 朝阳门 2 Dongcheng/Chaoyang
Dongdaqiao 东大桥 Chaoyang
Hujialou 呼家楼 10
Jintailu 金台路
Shilipu 十里堡
Qingnianlu 青年路
Dalianpo 褡裢坡
Huangqu 黄渠
Changying 常营
Caofang 草房

Line 6 in Phase I was originally slated to have elevated tracks for 7 km, east of the 5th Ring Road, from Dingfuzhuang and Changying. After residents along the route raised concerns about train noise, planners reconsidered and ultimately decided to keep all of Phase I under ground.[12][13][14]

Phase II (eastern extension)[edit]

In Phase II, Line 6 will be extended further east by about 12 km through 7 stations from Caofang to Dongxiaoying in the Tongzhou New City. It is planned to have express and local services using passing tracks at select stations.[15] Planned stations, from west to east:

Like Phase I, Phase II track will be entirely underground.

Phase III (western extension)[edit]

In 2011, city planning authorities proposed to detach from the planned Line S1 of the Beijing Suburban Railway (Mentougou Line) and add to Line 6 as a western extension, an 8.9-km section with five stations from Pingguoyuan to Tiancun.[16][17] The revision, made in response to public concerns about electromagnetic radiation from maglev trains on Line S1 and to expand Pingguoyuan into mass transit hub, was formalized and submitted to the National Development and Reform Commission for review in March 2012.[17]

The planned stations, from west to east, are:

Three of the five stations will be below ground and the other two stations will be elevated above ground.[17]

History[edit]

  • As of October 2007, Line 6 was planned to feature both express and local stations, but those plans have not been incorporated into the construction of Phase I.[18]
  • On March 22, 2010, the tunneling work on Line 6 commenced near Shilipu in Chaoyang District.[19]
  • As of November 2010, plans for Phase II contained distinct express and local stations.[20]

References[edit]

  1. ^ "2014年4月30日综合交通总体运行情况". 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. Retrieved 2014-05-02. 
  2. ^ a b "晚高峰加小圈车 地铁6号线满载率降12%". 首都之窗. 2014-08-22. Retrieved 2014-09-14. 
  3. ^ (Chinese) "4条地铁线将装屏蔽门" 法制晚报 January 20, 2010
  4. ^ <New Beijing subway to ease traffic congestion, Wu Wenjie, deputy director of China Railway Tunnel Group, China Daily. Reporter ZHENG Xin.[1] 2012-11-26.
  5. ^ a b (Chinese) "四条地铁新线12月28日同步开通(图)" 2012-08-31
  6. ^ 中国中央电视台. 《超级工程》第三集《北京地铁网络》. Event occurs at 07:20. Retrieved 2012-12-29. 
  7. ^ "2012年九月份科普论坛报告会". Retrieved 2012-12-29. 
  8. ^ "北京5条新地铁12月8日同时开工建设". 2007-12-08. Retrieved 2012-12-29. 
  9. ^ "8号线3期6号线西延将开工 2015年总里程666公里". 2011-04-27. Retrieved 2012-12-29. 
  10. ^ "北京地铁6号线西延工程变更公示". 中国铁道科学研究院. 2013-11-21. Retrieved 2013-11-21. 
  11. ^ a b (Chinese) Beijing Infrastructure Investment Co., Ltd. Line 6 Plan, BII Accessed on September 6, 2008
  12. ^ 北京地铁6号线可能噪音扰民 有望改走地下 ->(行业动态)->行业动态->筑龙网
  13. ^ 北京市规划委员会关于北京地铁6号线高架线的复函 - 房产 - 青传媒
  14. ^ "北京市规划委回复人民热线:地铁6号线一期工程均为地下线" 人民网 October 13, 2008
  15. ^ http://society.people.com.cn/n/2013/1113/c1008-23531866.html
  16. ^ (Chinese)北京地铁6号线西延段放弃采用磁悬浮形式 July 2, 2011
  17. ^ a b c (Chinese)"地铁6号线将西延至杨庄东街" 2012-03-23
  18. ^ 北京地铁6号线方案获批复 将尝试大站快车(图)_TOM新闻
  19. ^ (Chinese) 6号线一期开始“挖地道” March 23, 2010
  20. ^ (Chinese) 2010-11-18