SRT Light Red Line

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Light Red Line
Bang Son Commuter station, Aug 2016 (2).jpg
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
Opened December 5, 2012
for trial service Bang Son - Taling Chan
2017 (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 Overhead lines
Operating speed 160 km/h (99 mph)
Route map
(SRT East Rail Line)
ARLbangkok.svg  ARL  ARL: Up arrow Suvarnabhumi
Hua Mak
(ARLbangkok.svg  ARL  ARL: Ramkamhaeng)
Khlong Tan
Makkasan MRT (Bangkok) logo.svg
(ARLbangkok.svg  ARL  ARL: Ratchaprarop)
Phayathai Tram interchange
 SRT  Dark Red Line:
Hua Lumphong Right arrow
( SRT  Dark Red Line: Sam Sen)
0 Bang Sue MRT (Bangkok) logo.svg(Central Station)
Red Line EMU Depot
ARLbangkok.svg  ARL  ARL: Left arrow Don Mueang
 SRT  Dark Red Line: Left arrow Don Mueang
(SRT North/NorthEast Rail Line)
Bang Son
Bang Kruai(EGAT)
Taling Chan Market
 SRT  Light Red Line: Thonburi Right arrow
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 Lines 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 Railway Station 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. In July 2016 the cabinet approved the construction of the Bang Sue–Phaya Thai–Makkasan–Hua Mak segment.[1] Bidding will be held in August 2016, with construction from 2017-2019 and opening in 2020.


Bang Sue–Taling Chan[edit]

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.[2] 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.[3].Bang Sue–Taling Chan Rail Electrification included in Contract 3 of SRT Dark Red Line Bang Sue - Rangsit which has been signed.The Electrification will finish in 2020.

Bang Sue–Hua Mak[edit]

Construction is expected to start in 2017.There will be stations at Ratchawithi, Phaya Thai, Makkasan and Hua Mak.

The Construction seems to start late than expected due to late completion of Bang Sue Central Station and narrow right of way. Thus, SRT needs to reconsider construction methods to reduce an effect to rail service when the construction begins.[4]


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.[5] As of 14 September 2013, weekend services were cancelled.[6] 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.

Future extension[edit]

Taling Chan-Salaya Extension[edit]

The SRT Light Red Line is planned to be extended by 12 km west to Salaya.[7] 4 stations are planned be built along the existing SRT corridor;[8] 1) Ban Chimplee station, 2) Kanchanaphisek (Phutthamonthon Sai 2), 3) Sala Thammasob, 4) Salaya.

Taling Chan-Siriraj spur line[edit]

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:[9] 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.

Additional stations[edit]

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).[10] However, as of December 2013 no contracts have been tendered for these two stations.


Code Station Name Thai Express Train City Train Transfer Province
SRT Light Red Line
x Hua Mak หัวหมาก ARLbangkok.svg  ARL : Hua Mak
  : Hua Mak (proposed)
x Ramkhamhaeng รามคำแหง ARLbangkok.svg  ARL : Ramkhamhaeng
x Makkasan (City Air Terminal) มักกะสัน
ARLbangkok.svg  ARL 
 MRT : Petchaburi
x Phaya Thai พญาไท  BTS : Phaya Thai
ARLbangkok.svg  ARL : Phaya Thai
x Ratchawithi ราชวิถี  SRT  (proposed) ARLbangkok.svg  ARL  (begin construction in February 2018)[11]
x Sam Sen สามเสน  SRT  (proposed)
x Pradiphat ประดิพัทธ์  SRT  (proposed)
x Bang Sue บางซื่อ  SRT  (proposed)
 MRT : Bang Sue
x Bang Son บางซ่อน  MRT : Bang Son
x Bang Kruai-EGAT บางกรวย-กฟผ. Nonthaburi
x Bang Bamru บางบำหรุ InnerCity Shortcut: Bang Bamru (proposed)
x Taling Chan ตลิ่งชัน  MRT : 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  MRT : Talingchan (proposed) Bangkok
x Talat Nam Taling Chan ตลาดน้ำตลิ่งชัน
x Charan Sanitwongse จรัญสนิทวงษ์  MRT : Bang Khun Non (proposed)
 MRT : Bang Khun Non (Under construction)
x Thonburi-Sirirat ธนบุรี-ศิริราช  MRT : Sirirat (proposed)
Bang Bamru-Makkasan InnerCity Shortcut Line
x Bang Bamru บางบำหรุ Main line: Bang Bamru Nonthaburi
x Sirindhorn สิรินธร  MRT : Sirindhorn (Under construction) Bangkok
x Sam Sen สามเสน  MRT : Sam Sen (proposed)
x Khaodin Zoo สวนสัตว์เขาดิน
x Victory Monument อนุสาวรีย์ชัยสมรภูมิ  BTS : Victory Monument
x Makkasan มักกะสัน ARLbangkok.svg  ARL : Makkasan


External links[edit]

See also[edit]