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Line B1 (Tianjin Metro)

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Line B1
Overview
Other nameBintie Line 1 (Binhai Metro Line 1)[1]
StatusUnder construction
OwnerTianjin Rail Transit
LocaleBinhai New Area, Tianjin, China
Termini
Stations22 (Phase 1) [2]
Service
TypeRapid transit
SystemTianjin Rail Transit
Operator(s)Tianjin Binhai New Area Rail Transit Investment Development Co., Ltd
DepotHuanggang depot[3]
Rolling stock
CRRC Tangshan 6 cars type A rolling stock[4][5][3]
Technical
Line length22.5 km (14.0 mi) (Phase 1 North section)[6]
31.5 km (19.6 mi) (Phase 1 total) [2][4]
Num of tracks2
Track gauge1,435 mm (4 ft 8+1⁄2 in)
Electrification1.5 kV DC Overhead catenary contact
Operating speed
80 km/h (50 mph) (Maximum design speed)[3]

Line B1 of Tianjin Metro is an under construction metro line serving Tianjin, China. The Phase 1 Northern section of Line B1 is spanning 22.5 km long, with a total investment of 21.89 billion RMB.[6] Line B1 is known as the "north-south central axis" of Binhai New Area, spanning 31.5 km with all 22 stations underground and a total investment of 27.6 billion RMB. Line B1 is scheduled to commence operation by the end of 2026.[5]

As of March 2025, the main structures of 16 stations have been completed, 13 out of 19 stations is connected.[7]

History

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Construction of Line B1 was kicked off on 23 February 2016.[5][8][9]

On 25 October 2024, Tianjin Metro began receiving their first rolling stock set of Line B1.[3]

On 31 October 2024, the right shield underground section from Yushandao Station to Xinbeilu Station was completed.[10]

On 9 March 2025, the section from Yushandao station to Chezhanbeilu station was completed.[11]

On 12 January 2026, the underground section from Xinjiayuanxi Station to Guoxiangxidao Station was successfully connected.[2]

On 3 June 2026, the underground section from Xinjiayuandong Station to Tanggu Station was completed.[2][12]

Stations

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All 22 stations are underground.[2]

Station name Transfer Distance

km

 Location
Pinyin Chinese
Xinjiayuandong 欣嘉园东 Binhai New Area
Xinjiayuan 欣嘉园
Xinjiayuanbei 欣嘉园北
Xinjiayuanxi 欣嘉园西
Guoxiangxidao 国祥西道
Binhaixizhan 滨海西站  B3   Z2 
Dijiudajie 第九大街
Yunshandao 云山道
Xinbeilu 新北路
Chezhanbeilu 车站北路  B2 
Guangzhoudao 广州道  B4 
Tanggu 塘沽 Tianjin Metro Line 9
Waitangongyuan 外滩公园
Wenhuajie 文化街  B5 
Binhaizhan 滨海站  Z1   Z4 
Youyidao 友谊道  B3 
Jinlindao 金临道
Tianjindadao 天津大道  B2 
Xinchengyi 新城一
Xinchenger 新城二
Xinchengsan 新城三  Z4 
Xinchengsi 新城四

Rolling stocks

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Line B1 uses 30 sets of rolling stocks which are type 6A and were produced by CRRC Tangshan, with an estimated value of 1.1 billion RMB. This will mark the first line of Tianjin Metro system to use A-type high capacity rolling stock instead of ordinary B-type.[6][2][4]

References

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  1. ↑ "新时代新征程新伟业 总投资超5700亿元！解码"十大工程"，让你更加读懂美丽"滨城"". 21 November 2022.
  2. 1 2 3 4 5 6 "B1线最新进展！16座车站主体结构封顶". 24 July 2026.
  3. 1 2 3 4 "轨道交通B1线，来车了！这些在建线路，最新进展公布——". 25 October 2024.
  4. 1 2 3 "30列！价值11亿！轨道交通B1线最新进展来了～". 19 March 2025.
  5. 1 2 3 "天津地铁B1线关键站验收通过！开通后，滨海新区交通、民生大升级". 21 November 2025.
  6. 1 2 3 "B1号线杀回来了！滨海新区一条地铁，正在改写2026天津楼市格局". 4 May 2026.
  7. ↑ "轨道交通B1线建设有了新进展". 10 March 2025.
  8. ↑ "天津滨海地铁B1、Z4、Z2线最新消息（线路图+站点+开工时间）". 15 March 2021.
  9. ↑ "天津地铁B1线一期进度跟踪(2025-05)". 27 May 2026.
  10. ↑ "天津在建地铁最新进展！这条年底前满足通车运营条件！". 4 November 2024.
  11. ↑ "轨道交通B1线，最新进展来了！". 10 March 2025.
  12. ↑ "预计今年内全部完工！天津这条地铁最新建设进展公布！". 4 June 2026.
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