Line S1 (Beijing Subway)

Line S1[7] (Chinese: 北京地铁S1线; pinyin: běijīng dìtiě S-yī xiàn) of the Beijing Subway is a medium-low speed maglev line. It is operated by the Beijing Mass Transit Railway Operation Corporation Limited. The line was opened on 30 December 2017. It starts from Pingguoyuan in Shijingshan District and goes west towards Shichang in Mentougou District.

Not to be confused with the current Sub-Central line, Beijing Suburban Railway also designated as S1.

Line S1
A line S1 train arriving Qiaohuying station
Overview
Other name(s)
  • M26 (planned name)
  • Line 26
  • Mentougou Line[1]
  • Datai Line[2]
  • Beijing Low-speed Maglev[3]
  • Beijing Maglev[4]
StatusOperational
LocaleShijingshan and Mentougou districts
Beijing
Termini
Stations8
Service
TypeRapid Transit, Maglev
SystemBeijing Subway
Operator(s)Beijing Mass Transit Railway Operation Co., Ltd
Depot(s)Shimenying
History
Opened30 December 2017 (2017-12-30)
Technical
Line length10.2 km (6.3 mi)[5]
Electrification1,500 V DC third rail linear motor
Operating speed100 km/h (62 mph)[6]
Route map
Jingmen railway
UpperLeft arrow line 6 Lucheng
 Pingguoyuan
Line 6
Line 1 (station closed for renovation)
Left arrow Fushouling (to be opened 2022) – Sihuidong
 Jin'anqiao
Line 6
Line 11
Left arrow Moshikou－Xinshougang (Shougang Park) Right arrow
Shijingshan tunnel of S1 line
Shijingshan tunnel of Fengsha railway
Yongding River
 Sidaoqiao
 Qiaohuying
Fengcun ditch
 Shang'an
 Liyuanzhuang
Xifengsi ditch
 Xiaoyuan
 Shichang
Shimenying depot

Description

The line uses a medium-low speed magnetic levitation technology which can give a top speed of 105 km/h (65 mph).[8][9] The actual speed of the line is 100 km/h (62 mph).[6]

Six-coach maglev trains were built by the Tangshan Railway Vehicle, a subsidiary of CRRC.[10] It is China's 3rd commercial maglev train in operation.[10] Line S1 is part of Beijing's attempts to tackle environmental problems caused by heavy car use, coal burning and fast urbanization by upgrading its urban rail systems.[10]

The Line S1 designation is a holdover from a defunct plan to build several suburban railway lines in Beijing. Line S1 was envisioned to reuse the Jingmen Railway connecting Cishousi station to Mentougou District.[11] That plan was abandoned and the section between Pingguoyuan and Cishousi stations was replaced with Phase 3 of Line 6, and the other section was replaced with today's Maglev S1 Line.

History
The under construction Yongding River Bridge of Line S1.

When the Line S1 originally opened in 2017, it was not connected to the rest of the subway network. With the opening of Line 6 Phase 3 on 30 December 2018, passengers can transfer to Line 6 at Jin'anqiao.

In July 2021, a major bridge was completed, and the opening of the extension to Pingguoyuan planned for the end of the year.[12] The extension opened on December 31, 2021.

SegmentCommencementLengthStation(s)Name
Jin'anqiao — Shichang 30 December 2017 8.216 km (5.105 mi)[13] 7 Initial Section
Jin'anqiao — Pingguoyuan 31 December 2021 1.419 km (0.9 mi)[13] 1 Remaining Section

Stations
Station Name Connections Nearby Bus Stops Distance
km[13]		 Location
English Chinese
Shichang 石厂 931 948 959 960 M26 M32 M42 M44 0.000 Mentougou
Xiaoyuan 小园 890 903 960 965 981 M1 M26 M27 M41 M42 M44 1.297 1.297
Liyuanzhuang 栗园庄 941 981 M1 M24 M25 M27 M42 M44 1.266 2.563
Shang'an 上岸 903 992 M1 M25 M27 M41 M43 M44 专218 1.044 3.607
Qiaohuying 桥户营 903 M25 M41 1.065 4.672
Sidaoqiao 四道桥 941 M24 0.834 5.506
Jin'anqiao 金安桥  6   11  325 336 337 358 370 396 472 489 502 876 892 920 921 929 931 932 941 941快 948 959 961 977 977快 981 BRT4(快速公交4) M3 M4 M5 M6 M7 M11 M16 M20 M22 专61 专110 专148 2.710 8.216 Shijingshan
Pingguoyuan 苹果园  1   6  325 336 358 370 396 399 472 527 597 664 876 892 920 929 931 932 941快 948 961 972 977 977快 981 M3 M4 M5 M6 M7 M11 M16 M20 M22 1.419[13] 9.635

References
  1. simplified Chinese: 门头沟线; traditional Chinese: 門頭溝線; pinyin: Méntóugōu Xiàn
  2. 大台线; 大台線; Dàtái Xiàn
  3. 北京低速磁悬浮; 北京低速磁懸浮; Běijīng Dīsù Cíxuánfú
  4. 北京磁浮; Běijīng Cífú
  5. "北京地铁S1线苹果园站即将开通，可与6号线换乘". 线路里程10.2公里
  6. "唐车造北京S1线磁浮列车开始以100km/h载客运行". 7 November 2018.
  7. "JPG格式线路图下载 | 北京地铁官方网站". Beijing Subway. Retrieved 1 January 2021.
  8. "Beijing's first maglev train plans to open in 2012". People's Daily Online.
  9. "Nation New maglev line to connect western Beijing". People's Daily Online.
  10. NAN, ZHONG (19 February 2014). "Maglev trains speeding toward greener future". China Daily. Retrieved 4 January 2015.
  11. 北京市规划建6条市郊铁路 速度比地铁快一倍(图)-搜狐财经. business.sohu.com. Sohu. Retrieved 21 December 2017.
  12. "7月21日零时S1线将全线贯通，今年底通车试运行". BJD. 20 July 2021. Retrieved 21 July 2021.
  13. "S1线路网车站站间距信息". 18 February 2022.
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