Sukhumvit Line

BTS Sukhumvit line รถไฟฟ้าบีทีเอส สายสุขุมวิท
Sukhumvit line trains at Nana Station
Overview
Type	Rapid transit
System	BTS Skytrain
Status	Operational
Locale	Bangkok, Thailand
Termini	Mo Chit Bearing
Stations	22
Daily ridership	600,000 (2012)
Operation
Opened	5 December 1999
Owner	Bangkok Metropolitan Administration (BMA)
Operator(s)	Bangkok Mass Transit System Public Company Limited
Depot(s)	Mo Chit
Rolling stock	Siemens Modular Metro CNR Changchun Bombardier Movia 4 cars per trainset
Technical
Line length	22.25 km (13.83 mi) (32 km under construction)
Track gauge	1,435 mm (4 ft 8 1⁄2 in) standard gauge
Electrification	750V DC Third rail
Operating speed	80 km/h (49.71 mph)
Route map Legend Khu Khot Km. 25 Royal Air Force Museum Bhumibol Hospital Saphan Mai Sai Yut Lak Si Wat Phra Si 11th Infantry Reg. Bang Bua Krom Pai Mai Kasetsart Sena Nikhom Ratchayothin Satri Woranat  MRT  Blue Line ( Bang Sue – Hua Lamphong ) Lat Phrao ( MRT : Phahon Yothin) Don Mueang Tollway Main depot Mo Chit ( MRT :Chatuchak Park) Saphan Khwai Ari Sanam Pao Si Rat Expressway Victory Monument Phaya Thai  ARL  (Suvarnabhumi ) SRT Eastern Line ( Bangkok – Chachoengsao ) Ratchathewi  BTS  Silom Line ( National Stadium – Saphan Taksin ) Siam Chit Lom Phloen Chit Chaloem Maha Nakhon Expressway Nana Asok  MRT  Blue Line: Sukhumvit ( Hua Lamphong – Bang Sue ) 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 Saming Plai Kanjanapisek Expressway Erawan Museum Navy Academy Samutprakarn City Hall Srinakarindra Prak Sa Sai Luad Keha Samutprakarn

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 to Bearing station in Bang Na District.

When the BTS first opened in December 1999 the line consisted of seventeen stations (from Mo Chit to On Nut), currently there are 22 stations in operation.

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

Stations

A planned station at N6 has never been built.

Extensions and current construction

East

1st extension, in operation - Construction started in August 2006 on a four billion baht, 5.25 km extension from On Nut (E9) to Bearing.^[1] The extension was funded by the BMA.^[2] The original scheduled opening date was mid-2009. However, a delay in tendering of the contract for the electrical and signals resulted in a two-year delay. Deputy governor Teerachon Manomaiphibul commented: "The senior City Hall official responsible for making the purchase has apparently stalled the scheme over fears of being investigated if something went wrong with the purchase. The official in question is due to retire and does not want to take risks despite being told the scheme is strictly in line with regulations".^[3] 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, currently under construction - Construction started in April 2012 on a 12.6 km, seven station extension from Bearing station to Samut Prakan station. Two stations (E18 and E22) will be built at a later date. The extension is funded by the MRTA as it is outside BMA city limits, Bangkok Province. Construction is contracted to take 1,350 days and the extension is planned to open in 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 four month delay in the commencement of test runs on the extension, now planned for March 1 2017. Trackwork was 98% complete by November 2016. The total cost of the extension was estimated at 21.4 billion baht.^[5]

North

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)

A 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 many delays, in mid-2013 it was decided 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 ^[6] with an April deadline before being delayed until late May 2014 due to concerns from bidders.^[7] 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 which will proceed before the end of 2014. In mid-August, the MRTA announced that the new tender deadline will be 30 September 2014.^[8] Five bidders qualified and successful bids were due to be announced by December 2014.^[9] The tender specifies a construction period of 1,350 days.

On 3 April 2015, MRTA signed four contracts for this extension:^[10]

• 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 will need be demolished, which commenced on 12 September 2015.^[11]

Future extension plans

East:

• A further 7 km, four station extension from Kheha Samut Prakan station to Bang Pu station is planned.

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.

See also

• Silom Line
• Airport Rail Link (Bangkok)
• BTS Skytrain
• MRT (Bangkok)
• SRT Red Lines
• Bangkok BRT
• Lists of rapid transit systems

References

External links

• "MRTA Greenline website"
• "2Bangkok BTS Light Green Line - Bearing to Paknam - south extension, construction thread" Semi-regular updates, articles, pictures and commentary (In English)
• "2Bangkok BTS Light Green Line - Mo Chit to Khoo Khot - north extension thread" Semi-regular updates, articles, pictures and commentary (In English)
• Airport Rail Link, BTS, MRT & BRT network map

Bangkok Metropolitan Mass Rapid Transit stations
BTS   BTS   MRT   MRT   ARL   SRT   SRT   MRT   MRT   MRT   MRT   BMA   BMA   BMA
BTS  Sukhumvit Line Northern Extension Wongwaen Rop Nok Tawan-ok Khlong Ha Khlong Si Khlong Sam Khu Khot Komo 25 Royal Air Force Museum Bhumiphol Adulyadej Hospital Saphan Mai Sai Yut Wongwian Lak Si Wat Phra Si Maha That Krom Thahan Rap Thi Sip Et Bang Bua Krom Pa Mai Kasetsart Sena Nikhom Ratchayothin Phahon Yothin 24 Ha Yaek Lat Phrao Operational Mo Chit Saphan Khwai Sena Ruam Ari Sanam Pao Victory Monument Phaya Thai Ratchathewi Siam Chit Lom Phloen Chit Nana Asok Phrom Phong Thong Lo Ekkamai Phra Khanong On Nut Bang Chak Punnawithi Udom Suk Bang Na Bearing Eastern Extension Samrong Pu Chao Saming Phrai Erawan Museum Naval Academy Samut Prakan City Hall Srinagarindra Phraek Sa Sai Luat Kheha Samut Prakan Sawangkhaniwat Mueang Boran Si Chan Pradit Bang Pu

Public transport systems in Bangkok Metropolitan Region
Transport in Bangkok List of rapid transit stations in Bangkok Rail transport in Bangkok Mass Rapid Transit Master Plan in Bangkok Metropolitan Region
Rail	Operational  BTS  Sukhumvit Line  BTS  Silom Line  MRT  Blue Line  MRT  Purple Line  ARL  Airport Rail Link Commuter rail Under construction  SRT  Light Red Line  SRT  Dark Red Line  MRT  Blue Line extension  BTS  Sukhumvit Line extension Planned MRT Master Plan  MRT  Orange Line  MRT  Pink Line  MRT  Yellow Line  MRT  Brown Line  MRT  Purple Line extension  BTS  Silom Line extension  BMA  Grey Line  BMA  Light Blue Line  BMA  Gold Line  ARL  Airport Rail Link extension SRT High-speed Rail Bangkok-Chiang Mai Bangkok-Nakhon Ratchasima Bangkok-Hua Hin Bangkok-Rayong Cancelled BERTS Lavalin Skytrain
Buses	Bus Rapid Transit BMTA Routes
Boats	Chao Phraya Express Boat Khlong Saen Saep boat service Khlong Phra Khanong boat service Khlong Phasi Charoen boat service Rangsit Canal boat service
Others	People mover Tram
Smart cards	Mangmoom Rabbit

Urban Rail Transit in Southeast Asia
Indonesia	Jabodetabek Commuter Line Jakarta Kota-Bogor Jatinegara-Bogor Tanah Abang-Maja Jakarta Kota-Bekasi Duri-Tangerang Jakarta Kota-Tanjung Priok Surabaya Commuter Line Jakarta MRT  M1   M2  Jakarta LRT  L1   L2   L3  Palembang LRT Bandung LRT Surabaya LRT Kualanamu Railink Soekarno-Hatta Raillink Halim Perdanakusuma Raillink Minangkabau Railink Jakarta–Bandung HSR
Malaysia	KTM Komuter  1  Seremban  2  Port Klang  10  Skypark Rapid KL  3  Ampang  4  Sri Petaling  5  Kelana Jaya  8  KL Monorail  9  Sungai Buloh-Kajang  11  Bandar Utama-Klang  12  Sungai Buloh-Serdang-Putrajaya  13  Circle ERL  6  KLIA Express  7  KLIA Transit KTM Komuter Northern  1  Padang Rengas  2  Padang Besar KTM ETS Kuala Lumpur-Singapore HSR Johor Bahru-Singapore RTS
Myanmar	Yangon Circular Railway Yangon Tram
Philippines	Manila LRT  LRT1  Line 1  LRT2  Line 2  LRT4  Line 4  LRT6  Line 6 Manila MRT  MRT3  Line 3  MRT7  Line 7  MRT9  Line 9  PNR  Metro South Commuter Line Metro Manila Subway North South Commuter Rail
Singapore	Singapore MRT  NSL  North South  EWL  East West  NEL  North East  CCL  Circle  DTL  Downtown  TEL  Thomson-East Coast  JRL  Jurong Region  CRL  Cross Island Singapore LRT  BPLRT  Bukit Panjang  SKLRT  Sengkang  PGLRT  Punggol Kuala Lumpur-Singapore HSR Johor Bahru-Singapore RTS
Thailand	Bangkok Mass Transit BTS  BTS  Sukhumvit  BTS  Silom MRT  MRT  Blue  MRT  Purple  MRT  Orange  MRT  Pink  MRT  Yellow BMA  BMA  Light Blue  BMA  Grey Line  BMA  Gold Line SRT SRTET  ARL  SA City Line SRT Red Lines  SRT  Light Red  SRT  Dark Red SRT Commuter      Lopburi Line      Kaeng Khoi Line      Prachinburi Line      Ratchaburi Line      Suphan Buri Line SRT High Speed Railways Bangkok-Chiang Mai Bangkok-Nakhon Ratchasima Bangkok-Hua Hin Bangkok-Rayong KKTT Khon Kaen LRT PKCD Phuket LRT
Vietnam	Hanoi Metro Ho Chi Minh City Metro
Note: Under construction & planned lines are in Italics