MRT Railway System Green Line Northern (Mo Chit - Saphan Mai - Khu Khot) Project


  • Railways


Dorsch Consult asia Co., Ltd.

Construction Sum

US$ 6.4 mllion


US$ 1.06 million


Bangkok Metropolitan Administration (BMA)/ Krungthep Thanakom Co., Ltd.


From 2017 to 2020

Project Activities

  • MESC to supervise the signaling system, communication system, depot/ workshop maintenance facilities system and other mechanical systems
  • Basic and detailed engineering design review
  • Materials procurement
  • FAT and SAT
  • Equipment installation and supervision
  • Pre-commissioning, commissioning & trial run


Dorsch Consult asia Co., Ltd.

Bangkok (Headquarters)
1168/45 Lumpini Tower,
18th Floor
Rama 4 Road
Tungmahamek, Sathon

10120 Bangkok

Phone: +66 2 - 679 89 00
Fax: +66 2 - 679 89 95

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According to the cabinet’s meeting on November 27, 2008 the cabinet has approved the Mass Rapid Transit Authority of Thailand (MRTA) to operate the construction of the Green Line: Mo Chit – Saphan Mai section and also, the Green Line: Bearing – Samut Prakan section. This route is 25 kilometers long. Later on, the cabinet had a meeting on March 9, 2010 acknowledged of the commission of the management of road traffic’s meeting summary no. 1/2010 on February 8, 2010 approved to extend the Green Line from Mo Chit – Saphan Mai to Mo Chit – Saphan Mai – Khu Khot section. The depot at the south of Don Muang Airport had been cancelled and build another depot near Khu Khot station instead.

This section has approximately distance of 19 kilometers with all 16 stations elevated. The project starts from the BTS route at Mo Chit station. Then it goes along the Phahon Yothin road, crossing Don Muang toll way at Lat Phrao intersection, passes Ratcha Yothin intersection and Kasetsart university intersection. At soi Phahon Yothin 55, the alignment diverts to the left side of the road until reaches the Phithak Ratthathammanun Monument or Lak Si roundabout.

After that the alignment diverts to the centerline of the Phahon Yothin road, passes Ying Charoen market and when it reaches to the 25th kilometer of Phahon Yothin road. The alignment diverts eastward (north of Bangkok Door area), passes the side of Khu Khot Provincial Police station. Then it goes along median of Lam Luk Ka road and ends at Klong Song which the depot and the operation control center are located.

The depot is near Khu Khot station with a total area of 130 rais. There are 2 park & ride buildings. The first one is at the 25th kilometer of Phahon Yothin road (1,042 cars). The other one is near Khu Khot Police station (713 cars).

The track gauge is standard gauge with 1,435 millimeters width. The track gauge is measured inside the running track which 14 millimeters below the top of rail. Rolling Stock is the 750 volts DC rolling stock with 4 to 6 cars. The system has a service capacity of more than 50,000 passengers per hour per direction. Fare collection system, signaling and communication system and power supply of this line are the same as in the Chaloem Ratchamongkhon Line.