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Rapid transit line in Bangkok, Thailand From Wikipedia, the free encyclopedia
The Elevated Train in Commemoration of HM the King's 6th Cycle Birthday 1st line, also known as Sukhumvit Line, is one of the rapid transit lines of the BTS Skytrain System in Bangkok, Thailand.[4] The line runs from Siam Station, where it interchanges with the Silom Line, and continues both northwards along Phaya Thai and Phahon Yothin Roads to Khu Khot in Lam Luk Ka District, Pathum Thani, and eastwards along Rama I, Phloen Chit and Sukhumvit Roads, through Bang Na District to Kheha Station in Samut Prakan.
BTS Sukhumvit Line สายสุขุมวิท | |
---|---|
Overview | |
Owner | Bangkok Metropolitan Administration |
Locale | Bangkok, Samut Prakan, and Pathum Thani |
Termini | |
Stations | Total : 57 stations 47 (operational) 9 (planned) 1 (provisional) |
Color on map | Light Green |
Service | |
Type | Rapid transit |
System | BTS Skytrain |
Operator(s) | Bangkok Mass Transit System Public Company Limited |
Depot(s) | Mo Chit Depot (shared with BTS ) Khu Khot Depot (shared with BTS ) Kheha Depot |
Rolling stock | Siemens Modular Metro EMU-A1: 35 four-car trains Siemens Bozankaya EMU-A2: 22 four-car trains CNR Changchun Railway Vehicles EMU-B1: 12 four-car trains CNR Changchun Railway Vehicles EMU-B2: 5 four-car trains CRRC Changchun Railway Vehicles EMU-B3: 24 four-car trains |
Daily ridership | 926,294 ( BTS and BTS ) 30 August 2024[1] |
History | |
Opened | 5 December 1999 |
Last extension | 16 December 2020 |
Technical | |
Line length | Total :69.07 km (42.92 mi) 51.17 km (31.80 mi) (operational) 17.9 km (11.1 mi) (planned) |
Character | Fully elevated |
Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
Electrification | 750 V DC third rail |
Operating speed | 80 km/h (50 mph) |
Signalling | Former: Siemens Trainguard LZB700M fixed block ATC under ATO GoA 2 (STO) Current: Bombardier CITYFLO 450 moving block CBTC ATC under ATO GoA 2 (STO), with subsystems of ATP, ATS and CBI[2][3] |
The line was first opened on 5 December 1999, along with the Silom Line. Both lines are operated by the Bangkok Mass Transit System Public Company Limited under a 30-year concession from the Bangkok Metropolitan Administration. When it opened, the line ran from Mo Chit to On Nut covering a total distance of 16.7 km (10.4 mi) with 17 stations. Currently, Sukhumvit Line is one of the main arteries of the Bangkok Mass Rapid Transit System with 900,000 daily passengers per day (combined with the Silom Line). The line rapidly expanded from 2011 until 2021, tripling its distance through three extension projects and reaching a total length of 51.17 km (31.80 mi) with 47 stations.
Sena Ruam station has been planned since the construction of the line but has not been built.
Code | Station Name | Opened | Platform
Type |
Park & Ride | Transfers | Notes | |
---|---|---|---|---|---|---|---|
English | Thai | ||||||
Khu Khot | คูคต | 16 December 2020 | Side | √ | |||
Yaek Kor Por Aor | แยกคปอ. | Side | √ | ||||
Royal Thai Air Force Museum | พิพิธภัณฑ์กองทัพอากาศ | Side | - | ||||
Bhumibol Adulyadej Hospital | โรงพยาบาลภูมิพลอดุลยเดช | Side | - | ||||
Saphan Mai | สะพานใหม่ | Side | - | ||||
Sai Yud | สายหยุด | Side | - | ||||
Phahon Yothin 59 | พหลโยธิน 59 | Side | - | ||||
Wat Phra Sri Mahathat | วัดพระศรีมหาธาตุ | 5 June 2020 | Island | - | Interchange station with MRT | ||
11th Infantry Regiment | กรมทหารราบที่ 11 | Side | - | ||||
Bang Bua | บางบัว | Side | - | ||||
Royal Forest Department | กรมป่าไม้ | Side | - | ||||
Kasetsart University | มหาวิทยาลัยเกษตรศาสตร์ | 4 December 2019 | Side | - | Connecting station to MRT (future) | ||
Sena Nikhom | เสนานิคม | Side | - | ||||
Ratchayothin | รัชโยธิน | Side | - | ||||
Phahon Yothin 24 | พหลโยธิน 24 | Side | - | ||||
Ha Yaek Lat Phrao | ห้าแยกลาดพร้าว | 9 August 2019 | Island | - | Connecting station to Phahon Yothin for MRT , via a 330-metre elevated pedestrian walkway. | ||
Mo Chit | หมอชิต | 5 December 1999 | Side | √ | Connecting station to Chatuchak Park for MRT | ||
Saphan Khwai | สะพานควาย | Side | - | ||||
Sena Ruam | เสนาร่วม[5] | TBA | Side | - | Provisional station | ||
Ari | อารีย์ | 5 December 1999 | Side | - | |||
Sanam Pao | สนามเป้า | Side | - | ||||
Victory Monument | อนุสาวรีย์ชัยสมรภูมิ | Side | - | ||||
Phaya Thai | พญาไท | Side | - | Connecting station to; • ARL • SRT (future) |
|||
Ratchathewi | ราชเทวี | Side | - | Connecting station to MRT (under construction) | |||
Siam | สยาม | Stacked Island | - | Cross-platform interchange with BTS | |||
Chit Lom | ชิดลม | Side | - | ||||
Phloen Chit | เพลินจิต | Side | - | ||||
Nana | นานา | Side | - | ||||
Asok | อโศก | Side | - | Connecting station to Sukhumvit for MRT | |||
Phrom Phong | พร้อมพงษ์ | Side | - | ||||
Thong Lo | ทองหล่อ | Side | - | ||||
Ekkamai | เอกมัย | Side | - | Connecting station to MRL (north section; future) | |||
Phra Khanong | พระโขนง | Side | - | Connecting station to MRL (south section; future) | |||
On Nut | อ่อนนุช | Side | - | ||||
Bang Chak | บางจาก | 12 August 2011 | Side | - | |||
Punnawithi | ปุณณวิถี | Side | - | ||||
Udom Suk | อุดมสุข | Side | - | ||||
Bang Na | บางนา | Side | - | Connecting station to Bang Na-Suvarnabhumi LRT (future) | |||
Bearing | แบริ่ง | Side | - | ||||
Samrong | สำโรง | 3 April 2017 | Island | - | Interchange station to MRT via transfer gates | ||
Pu Chao | ปู่เจ้า | 6 December 2018 | Side | - | |||
Chang Erawan | ช้างเอราวัณ | Side | - | ||||
Royal Thai Naval Academy | โรงเรียนนายเรือ | Side | - | ||||
Pak Nam | ปากน้ำ | Side | - | ||||
Srinagarindra | ศรีนครินทร์ | Side | - | ||||
Phraek Sa | แพรกษา | Side | - | ||||
Sai Luat | สายลวด | Side | - | ||||
Kheha | เคหะฯ | Side | √ |
BTS operates services throughout the line from Khu Khot to Kheha at all times. At peak hours between 07.00-09.00 and 16.00-20.00, some "short-run" services run terminate at Mo Chit and Kasetsart University northbound, and at Samrong, eastbound. Trains run generally at three to six-minute intervals. The last eastbound trains from Khu Khot terminate at Kheha, Samrong or Ha Yaek Lat Phrao. The last northbound trains from Kheha terminate at Khu Khot, Mo Chit, or Samrong.
A few off-peak eastbound trains run a through service on the Silom Line to Bang Wa, in order to increase the line capacity at peak hours. At night, these trains will run back northbound and head to depot.[6] Some late northbound trains on the Silom Line switch to the Sukhumvit Line at Siam to reach the depot at Mo Chit.
Construction started in August 2006 on a four billion baht, 5.25 km (3.26 mi) extension from On Nut to Bearing.[7] The extension was funded by the BMA.[8] 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.
Construction started in April 2012 on a 12.6 km (7.8 mi), 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.[9]
In 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.[10] 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.[11]
The first 1.2 km (0.75 mi) section of the extension to Samrong station opened on 3 April 2017.[12] The full extension to Kheha opened on 6 December 2018.[13]
An 11.4 km, 11 station northern extension from Mo Chit station to Saphan Mai in Don Mueang District had 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 was continually delayed. A further 16.5 km (10.3 mi), nine station extension from Saphan Mai to Khu Khot was also planned once the extension to Saphan Mai had been completed.
After multiple delays, in mid-2013 a decision was made to tender extensions (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[14] with an April deadline before being delayed until late May 2014 due to concerns from bidders.[15] 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 that the tender would proceed before the end of 2014. In August 2014, the MRTA announced that the new tender deadline was 30 September 2014.[16] Five bidders qualified and the successful bids were announced in December 2014.[17] The tender specified a construction period of 1,350 days.
On 3 April 2015, MRTA signed four contracts for this extension:[18]
Contract | Notes | Contractors | Length | Costs (million Thai Baht) |
---|---|---|---|---|
1 | Mo Chit to Saphan Mai | Italian-Thai Development | 2.8 km (1.7 mi) | 15,269 |
2 | Saphan Mai to Khu Khot | UN-SH-CH joint-venture | 2.6 km (1.6 mi) | 6,657 |
3 | Khu Khot Depot and Park & Ride buildings at Yaek Kor Por Aor and Khu Khot stations | STEC-AS joint-venture | 11 km (6.8 mi) | 4,019 |
4 | Track laying and system design | STEC-AS joint-venture | 10.5 km (6.5 mi) | 2,841 |
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.[19]
At 31 December 2017, the progress of civil works construction was at 53.31% according to the MRTA.[20] As of the end of April 2018, the MRTA stated that civil works progress had advanced to 63.27%.[21] As of 30 September, overall construction had progressed to 78.79%.[22] By the end of March 2019, civil construction had nearly been completed having progressed to 99.42%.[23]
Testing of the final 9.8 km, 7 station section from Wat Phra Sri Mahathat (N17) to Khu Khot (N24) began on 5 October.[24] The final section was officially opened on 16 December 2020 by the Prime Minister.[25]
Opening dates
East:
Code | Station Name | Planned Opening | Platform Type | Transfers | |
---|---|---|---|---|---|
English | Thai | ||||
↓ Continue from Kheha station ↓ | |||||
Sawangkhaniwat | สวางคนิวาส | TBA | Side | ||
Mueang Boran | เมืองโบราณ | Side | |||
Si Chan Pradit | ศรีจันทร์ประดิษฐ์ | Side | |||
Bang Pu | บางปู | Side | |||
Tamru | ตำหรุ | Side |
North:
Code | Station Name | Planned Opening | Platform Type | Transfers | |
---|---|---|---|---|---|
English | Thai | ||||
↓ Continue from Khu Khot station ↓ | |||||
Khlong Sam | คลองสาม | TBA | Side | ||
Khlong Si | คลองสี่ | Side | |||
Khlong Ha | คลองห้า | Side | |||
Eastern Ring Road-Lam Luk Ka | วงแหวนตะวันออกลำลูกกา | Side |
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