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SRT Light Red Line

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Title: SRT Light Red Line  
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Subject: Mass Rapid Transit Master Plan in Bangkok Metropolitan Region, MRT Purple Line, Bang Son MRT Station, MRT Blue Line, BTS Skytrain
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SRT Light Red Line

     SRT Light Red Line
Type Commuter rail
System Bangkok Suburban Commuter Train
Status Taling Chan - Bang Son services suspended 13 Jan 2014
Termini Hua Mak
Sala Ya
Stations 22
Website Red Line Project
Opening December 5, 2012
for trial service Bang Son - Taling Chan
2016 (est.)
Phase 2 Bang Sue - Hua Mak)
2019 (est.)
Phase 3 Taling Chan - Sala Ya)
Owner State Railway of Thailand
Line length 58.5 km (36.35 mi)
Track gauge 1,000 mm (3 ft 3 38 in) metre gauge
Electrification None Diesel Multiple Units
Operating speed 80 km/h (50 mph)
Route map
(SRT East Rail Line)
ARL: Suvarnabhumi
Hua Mak
( ARL: Ramkamhaeng)
Khlong Tan
( ARL: Ratchaprarop)
Dark Red Line:
Hua Lumphong
( Dark Red Line: Sam Sen)
0 Bang Sue (Central Station)
Red Line EMU Depot
ARL: Don Muang
Dark Red Line: Don Muang
(SRT North/NorthEast Rail Line)
Bang Son
Bang Kruai(EGAT)
Taling Chan Market
Light Red Line: Thonburi
Taling Chan
km West Extension
km Ban Chimphli 
Sala Thammasop
Sala Ya
(SRT South Rail Line)

The Light Red Line is part of the planned Red Line suburban railway system to serve the Bangkok Metropolitan Region. It will run east–west from Sala Ya in Phutthamonthon District of Nakhon Pathom Province to Hua Mak in Bangkok. The segment from Taling Chan to Bang Son (15 km) opened for limited, free trial service on December 5, 2012. Only 12 services a day (6 each way) operated on the line until all services were fully suspended on 13 January 2014 pending further notice. The final section to Bang Sue station of this first phase will not open until the new Bang Sue Terminal is completed (Refer to SRT Dark Red Line page for further information).


Bang Sue-Taling Chan

The contract for the initial stages from Taling Chan to Bang Sue was signed on December 15, 2008, with the contract awarded to the Unique-Chun Wo consortium.[1] Construction started in early 2010 but was delayed for a few months due to the late 2011 floods in Bangkok which inundated the route. Construction was completed by the 3rd quarter of 2012. Testing began in September 2012 for a 3 month period.[2]


The line opened for free limited trial service on 5 Dec 2012 between Taling Chan and Bang Son. The line is operated with 2 refurbished DMUs running a very limited service. There are only 6 services each way a day every 60 minutes from 6am to 8am and from 4pm to 7pm. As such, only a few hundred passengers a day ride the service.[3] As of 14 September 2013, weekend services were cancelled.[4] Effective on 13 January 2014 all services were suspended until further notice.

Until the Bang Sue Terminal is complete and the SRT purchases new rolling stock this service the line cannot fully operate.

Two additional stations on either side of the Chao Praya river have been approved to be built, at Rama 6 bridge and Bang Kruay (EGAT).[5] However, as of December 2013 no contracts have been tendered for these two stations.

Future extension

Taling Chan-Salaya Extension

The SRT Light Red Line is planned to be extended by 12 km west to Salaya.[6] 4 stations are planned be built along the existing SRT corridor;[7] 1) Ban Chimplee station, 2) Kanchanaphisek (Phutthamonthon Sai 2), 3) Sala Thammasob, 4) Salaya.

This extension is planned to be built by 2020.

Taling Chan-Siriraj spur line

The SRT operates existing services to Kanchananburi from Thonburi station. This line is planned to be converted to a spur line of the existing Light Red line, from Taling Chan to Thonburi/ Siriraj.

In August 2012, the SRT proposed that 3 stations be built for this 6.5 km route:[8] 1) Talingchan Floating Market station at Bang Ramad, 2) Charansanitwongse station (connect with the MRT Blue Line) 3) Thonburi/Siraraj station (connect with the MRT Orange Line)

As of December 2013 no final approval had been granted to construct this spur line with the extension to Salaya being the priority.

Bang Sue-Makkasan

This proposed line is unlikely to be built as it duplicates the Airport Rail Link.


Code Station Name Thai Express Train City Train Transfer Province
SRT Light Red Line
x Hua Mak หัวหมาก  Airport Rail Link : Hua Mak
 Yellow Line : Hua Mak (proposed)
x Ramkhamhaeng รามคำแหง  Airport Rail Link : Ramkhamhaeng
x Makkasan (City Air Terminal) มักกะสัน
 Airport Rail Link 
 Blue Line : Petchaburi
x Phaya Thai พญาไท  Sukhumvit Line : Phaya Thai
 Airport Rail Link : Phaya Thai
x Ratchawithi ราชวิถี  Dark Red Line  (proposed)
x Sam Sen สามเสน
x Pradiphat ประดิพัทธ์
x Bang Sue บางซื่อ  Dark Red Line  (proposed)
 Blue Line : Bang Sue
x Bang Son บางซ่อน  Purple Line : Bang Son (under construction)
x Bang Kruai-EGAT บางกรวย-กฟผ. Nonthaburi
x Bang Bamru บางบำหรุ InnerCity Shortcut: Bang Bamru (proposed)
x Taling Chan ตลิ่งชัน  Orange Line : Talingchan (proposed) Bangkok
x Ban Chimphli บ้านฉิมพลี
x Kanchanaphisek กาญจนาภิเษก
x Sala Thammasop ศาลาธรรมสพณ์
x Sala Ya ศาลายา Nakhon Pathom
Talingchan-Sirirat Branch Line
x Taling Chan ตลิ่งชัน  Orange Line : Talingchan (proposed) Bangkok
x Talat Nam Taling Chan ตลาดน้ำตลิ่งชัน
x Charan Sanitwongse จรัญสนิทวงษ์  Orange Line : Bang Khun Non (proposed)
 Blue Line : Bang Khun Non (Under construction)
x Thonburi-Sirirat ธนบุรี-ศิริราช  Orange Line : Sirirat (proposed)
Bang Bamru-Makkasan InnerCity Shortcut Line
x Bang Bamru บางบำหรุ Main line: Bang Bamru Nonthaburi
x Sirindhorn สิรินธร  Blue Line : Sirindhorn (Under construction) Bangkok
x Sam Sen สามเสน  Purple Line : Sam Sen (proposed)
x Khaodin Zoo สวนสัตว์เขาดิน
x Victory Monument อนุสาวรีย์ชัยสมรภูมิ  Sukhumvit Line : Victory Monument
x Makkasan มักกะสัน  Airport Rail Link : Makkasan


  1. ^ Mahitthirook, Amornrat (19 April 2009). "Red Line bidding to open in August". Bangkok Post. 
  2. ^ Testing underway on Bangkok suburban line, International Railway Gazette, 07 Sept 2012
  3. ^ 6 March 2013
  4. ^
  5. ^ 26 Dec 2012
  6. ^
  7. ^
  8. ^

External links

  • "SRT Red Line website"
  • "Skyscrapercity Light Red Line thread" Regular updates, articles, pictures and commentary (In Thai)
  • "2Bangkok Light Red Line thread" Semi-regular updates, articles, pictures and commentary (In English)

See also

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