Sukhumvit Line

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BTS Sukhumvit line
BTSbangkok.svg
Bangkok Skytrain 2011.jpg
Overview
Native nameสายสุขุมวิท
TypeHeavy Rail
SystemBTS Skytrain
LocaleBangkok, Samut Prakan Province, and Pathum Thani Province
TerminiMo Chit
Kheha
Stations31
Operation
Opened5 December 1999
Depot(s)Mo Chit, Kheha
Technical
Line length37.02 km (23.00 mi)
Number of tracks2
Track gauge1,435 mm (4 ft 8 12 in)
Electrification750V DC Third rail
Route map
Khu Khot
KM. 25
Royal Thai Air Force Museum
Bhumibol Adulyadej Hospital
Saphan Mai
Sai Yud
Laksi Monument
Wat Phrasri Mahathat
11th Infantry Regiment
Sri Pathum
Royal Forest Department
Kasetsart University
Senanikhom
Ratchayothin
Phaholyothin 24
 MRT  Blue Line (Down arrow Bang Sue – Hua Lamphong Right arrow)
Ladphrao Intersection ( MRT : Phahon Yothin)
Don Mueang Tollway
Main depot
Mo Chit ( MRT :Chatuchak Park)
Saphan Khwai
Sena Ruam (Future Station)
Ari
Sanam Pao
Si Rat Expressway
Victory Monument
Phaya Thai
ARLbangkok.svg  ARL  (Suvarnabhumi Right arrow)
SRT Eastern Line (Left arrow Bangkok – Chachoengsao Right arrow)
Ratchathewi
 BTS  Silom Line (Up arrow National Stadium – Saphan Taksin Down arrow)
Siam
Chit Lom
Phloen Chit
Chaloem Maha Nakhon Expressway
Nana
Asok
 MRT  Blue Line: Sukhumvit (Left arrow Hua Lamphong – Bang Sue Right arrow)
Phrom Phong
Thong Lo
Ekkamai
Phra Khanong
Chalong Rat Expressway
On Nut
Bang Chak
Punnawithi
Udom Suk
Chaloem Maha Nakhon Expressway
Third stage Expressway System
Bang Na
Bearing
Samrong
Pu Chao
Kanchanapisek Expressway
Chang Erawan
Royal Thai Naval Academy
Pak Nam
Srinagarindra
Phraek Sa
Sai Luat
Kheha

The Elevated Train in Commemoration of HM the King's 6th Cycle Birthday First line (Sukhumvit) or Sukhumvit line (Thai: รถไฟฟ้าบีทีเอส สายสุขุมวิท) is an elevated metro rail line of the BTS Skytrain in Bangkok, Thailand. From the central Siam Station, where it connects with the Silom Line, the line runs both northwards along Phaya Thai and Phahon Yothin Roads to Mo Chit station in Chatuchak District, and eastwards along Rama I, Phloen Chit and Sukhumvit Roads, through Bang Na District to Kheha Station in Samut Prakan. Daily ridership (2019) is 740,000 passengers per day.[1]

When the line first opened in December 1999 it consisted of seventeen stations from Mo Chit to On Nut, currently there are 31 stations in operation.

The line is represented on the official BTS map in light green.

Stations[edit]

BTS Sukhumvit.jpg

A planned station at N6 has never been built.

Code Station Name
English
Station Name
Thai
Transfers Location
BTS N8.svg Mo Chit หมอชิต  MRT  Bangkok Chatuchak
BTS N7.svg Saphan Khwai สะพานควาย Phaya Thai
BTS N5.svg Ari อารีย์
BTS N4.svg Sanam Pao สนามเป้า
BTS N3.svg Victory Monument อนุสาวรีย์ชัยสมรภูมิ Ratchathewi
BTS N2.svg Phaya Thai พญาไท ARLbangkok.svg  ARL  ( SRT  planned)
BTS N1.svg Ratchathewi ราชเทวี
BTS CEN.svg Siam สยาม  BTS  Pathum Wan
BTS E1.svg Chit Lom ชิดลม
BTS E2.png Phloen Chit เพลินจิต ( MRL  proposed)
BTS E3.svg Nana นานา Watthana/
Khlong Toei
BTS E4.svg Asok อโศก  MRT 
BTS E5.svg Phrom Phong พร้อมพงษ์
BTS E6.svg Thong Lo ทองหล่อ
BTS E7.svg Ekkamai เอกมัย
BTS E8.svg Phra Khanong พระโขนง
BTS E9.svg On Nut อ่อนนุช Watthana/
Khlong Toei/
Phra Khanong
BTS E10.svg Bang Chak บางจาก Phra Khanong
BTS E11.svg Punnawithi ปุณณวิถี
BTS E12.svg Udom Suk อุดมสุข  BTS  (proposed) Bang Na
BTS E13.svg Bang Na บางนา
BTS E14.svg Bearing
(RTGSBaering)
แบริ่ง
BTS E15.svg Samrong สำโรง ( MRL  under construction) Samut Prakan Mueang Samut Prakan
BTS E16.svg Pu Chao ปู่เจ้า
BTS E17.svg Chang Erawan ช้างเอราวัณ
BTS E18.svg Royal Thai Naval Academy
(RTGSRongrian nairuea)
โรงเรียนนายเรือ
BTS E19.svg Pak Nam ปากน้ำ
BTS E20.svg Srinagarindra
(RTGSSi Nakharin)
ศรีนครินทร์
BTS E21.svg Phraek Sa แพรกษา
BTS E22.svg Sai Luat สายลวด
BTS E23.svg Kheha เคหะฯ

Extensions and current construction[edit]

Station sign at Thong Lo BTS station shows the extension beyond Samrong which opened in 2018.

East[edit]

1st extension, in operation - Construction started in August 2006 on a four billion baht, 5.25 km extension from On Nut (E9) to Bearing.[2] The extension was funded by the BMA.[3] The original scheduled opening date was mid-2009. However, a delay in tendering of the contract for the electrical and signalling works resulted in a two-year delay.

The extension did not open until over two years later, on 12 August 2011. The delay in opening prompted the BMA to offer free travel for this extension until the end of 2011 as compensation. An additional flat fee is charged additionally to the distance-based fare of the rest of the BTS network.


2nd extension, in operation - Construction started in April 2012 on a 12.6 km, nine station extension from Bearing station to Kheha station. The extension was funded by the MRTA as it is outside BMA city limits, Bangkok Province. Construction was contracted to take 1,350 days and the extension was originally scheduled to open by early 2017. In April 2013, the MRTA awarded Ch Karnchang the contract for track laying and electrical systems.[4]

As of June 2014, civil works were stated to be 28.3 percent complete. In August 2016 the BMA agreed to take over the operation of the extension from MRTA. Delays over the agreement of how much the BMA should pay MRTA caused a delay in the commencement of test runs on the extension. Track works were 98% completed by November 2016. The total cost of the extension was estimated at 21.4 billion baht.[5] In January 2017, it was announced that the opening of the extension could be further delayed to 2018-2019 due to budgetary concerns and ongoing disputes between the MRTA and BMA.[6]

The first 1.2 km section of the extension to Samrong station (E15) opened in April 2017.[7]

The full extension opened on December 6, 2018.[8]

North[edit]

Map of North Extension at Thong Lo station. Station N9 will open in 2019 and stations N10 to N24 will open in 2020.

1st and 2nd extension, currently under construction

  • 1) Mo Chit station to Saphan Mai: 11.4 km, 12 stations (N9–N20)
  • 2) Saphan Mai to Khu Khot: 7.5 km, four stations (N21-N24)

An 11.4 km, 11 station northern extension from Mo Chit station to Saphan Mai in Don Mueang District has been planned since the Sukhumvit line opened. Originally, this extension was scheduled to be completed by 2008. However, due to a combination of changes in government, a prolonged environmental study, and problems with locating a suitable train depot the extension has been continually delayed. A further 16.5 km, nine station extension from Saphan Mai to Lam Lukka was also planned once the extension to Saphan Mai had been completed.

After multiple delays, in mid-2013 a decision was made to tender extension (1) and (2) at the same time, by the end of 2013. However, the dissolution of parliament in November 2013 delayed this yet again. A tender was finally released in January 2014 [9] with an April deadline before being delayed until late May 2014 due to concerns from bidders.[10] A military coup in late-May 2014 suspended the bidding process whilst the military administration reviewed all major projects. In late June, the military administration affirmed the tender will proceed before the end of 2014. In August 2014, the MRTA announced that the new tender deadline will be 30 September 2014.[11] Five bidders qualified and the successful bids were announced in December 2014.[12] The tender specifies a construction period of 1,350 days.

On 3 April 2015, MRTA signed four contracts for this extension:[13]

  • Contract 1: Civil works of 11.4 km from Mo Chit to Saphan Mai, will be constructed by Italian-Thai Development (15,269 million baht)
  • Contract 2: Civil works of 7.5 km from Saphan Mai to Khu Khot, will be constructed by UN-SH-CH joint venture (6,657 million baht)
  • Contract 3: Civil works of Depot and Park and Ride building, will be constructed by STEC-AS joint venture (4,019 million baht)
  • Contract 4: Tracklaying and system design, will be constructed by STEC-AS joint venture (2,841 million baht)

The MRTA, contactors and Thai Traffic Police met on 2 September 2015 and confirmed construction would begin on 8 September 2015. A flyover at Kasetsart was demolished, which commenced on 12 September 2015.[14]

As of 31 December 2017, the progress of civil works construction was at 53.31% according to the MRTA.[15] As of the end of April 2018, the MRTA stated that civil works progress had advanced to 63.27%.[16] As of 30 September, overall construction had progressed to 78.79% [17]

The first section to Ha Yaek Lat Phrao station is planned to open in the second half of 2019, with the full extension currently due to open by July 2020.

Code Station Name
English
Station Name
Thai
Transfers Location
BTS N24 opaque.png Khu Khot คูคต Pathum Thani Lam Luk Ka
BTS N23 opaque.png Yaek Kor Por Aor แยก คปอ. Bangkok Don Mueang
BTS N22 opaque.png Royal Thai Air Force Museum พิพิธภัณฑ์กองทัพอากาศ Sai Mai
BTS N21 opaque.png Bhumibol Adulyadej Hospital โรงพยาบาลภูมิพลอดุลยเดช
BTS N20 opaque.png Saphan Mai สะพานใหม่ Bang Khen
BTS N19 opaque.png Sai Yut สายหยุด
BTS N18 opaque.png Phahonyothin 59 พหลโยธิน 59
BTS N17 opaque.png Wat Phra Sri Mahathat วัดพระศรีมหาธาตุ  MRL (under construction)
BTS N16 opaque.png 11th Infantry Regiment กรมทหารราบที่ 11
BTS N15 opaque.png Bang Bua บางบัว Chatuchak
BTS N14 opaque.png Royal Forest Department กรมป่าไม้
BTS N13 opaque.png Kasetsart University มหาวิทยาลัยเกษตรศาสตร์  MRT  (planned)
BTS N12 opaque.png Sena Nikhom เสนานิคม
BTS N11 opaque.png Ratchayothin รัชโยธิน
BTS N10 opaque.png Phahonyothin 24 พหลโยธิน 24
BTS N9 opaque.png Ha Yaek Lat Phrao ห้าแยกลาดพร้าว  MRT 

Future extension plans[edit]

East:

  • A further 7 km, four station extension from Kheha station to Bang Pu station is planned.
Code Station Name
English
Station Name
Thai
Transfers Location
BTS E24 opaque.png Sawangkhaniwat สวางคนิวาส Samut Prakan Mueang Samut Prakan
BTS E25 opaque.png Mueang Boran เมืองโบราณ
BTS E26 opaque.png Sichanpradit ศรีจันทร์ประดิษฐ์
BTS E27 opaque.png Bang Pu บางปู

North:

  • A further 9 km, four station extension east along Lam Lukka Road from Khu Khot station to Eastern Outer Ring station is planned to be constructed by 2029.
Code Station Name
English
Station Name
Thai
Transfers Location
BTS N28 opaque.png Eastern Outer Ring วงแหวนรอบนอกตะวันออก Pathum Thani Lam Luk Ka
BTS N27 opaque.png Khlong Ha คลองห้า
BTS N26 opaque.png Khlong Si คลองสี่
BTS N25 opaque.png Khlong Sam คลองสาม

See also[edit]

References[edit]

  1. ^ Limviphuwat, Phuwit (18 May 2019). "Mass Transit not keeping up". The Nation. Retrieved 18 May 2019.
  2. ^ Groundbreaking starts on new BTS extension, Daily News, 15 August 2006
  3. ^ BTS extension budget cut, Bangkok Post, 15 December 2006
  4. ^ "Ch Karnchang gets Phase 2 of Bearing-Samut Prakan route" The Nation, 13 April 2013
  5. ^ "BMA to postpone test run of Bearing-Samrong skytrain". Bangkok Post. Retrieved 2016-11-22.
  6. ^ Reporter, Sasiwan Mokkhasen, Staff (2017-01-31). "Green Line Going Nowhere for at Least Two Years". Khaosod English. Retrieved 2017-02-25.
  7. ^ Reporter, Asaree Thaitrakulpanich, Staff (2017-02-24). "First Station of Stalled BTS Green Line to Open April 1". Khaosod English. Retrieved 2017-02-25.
  8. ^ "MRTA pushes to fast-track launch of South Green Line". Bangkok Post. 1 December 2017.
  9. ^ http://www.mrta.co.th/sysRegister/register131217/proc17122556.pdf
  10. ^ http://www.prachachat.net/news_detail.php?newsid=1401076541 "รฟม.ปรับทีโออาร์หมอชิต-คูคต กลางปี59 เปิดให้บริการสายสีม่วง" Prachachat News, 26 May 2014
  11. ^ http://www.prachachat.net/news_detail.php?newsid=1408439328
  12. ^ http://www.matichon.co.th/news_detail.php?newsid=1412581507
  13. ^ http://www.ryt9.com/s/iq03/2130477
  14. ^ http://www.manager.co.th/iBizchannel/ViewNews.aspx?NewsID=9580000099688
  15. ^ https://www.mrta.co.th/th/news/information/ความก-าวหน-าการก-อสร-างรถไฟฟ-า-ณ-31-ธ-นวาคม-2560/. MRTA Press, 16 January 2018
  16. ^ https://www.mrta.co.th/th/news/information/ความก-าวหน-าการก-อสร-างรถไฟฟ-า-ณ-30-เมษายน-2561/. MRTA Press, 30 April 2018
  17. ^ https://www.facebook.com/MRTA.PR/photos/a.1433440196872710/2109998672550189/. MRTA Press, 12 October 2018

External links[edit]