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 canceled 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 elevated track structure is supporting two way traffic direction. Pre-cast segmental box girder is used for the viaduct structure to support a rail track system. The structure will be assembled and installed quickly.


There are 16 stations. Some stations will be integrated with other mass transit lines to allow the transfer of passengers. Escalators, lifts, toilets, information displays and all facilities for the handicapped will be equipped.


The depot is near Khu Khot station with a total area of 130 rais.

Park & Ride

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

The 750 Volts DC rolling stock with 4 to 6 cars is used. The system has a service capacity of more than 50,000 passengers per hour per direction.

Systemwide and Fare Collection System

The signaling and communication system, power supply and Fare Collection System of this line are the same as in the Chaloem Ratchamongkhon Line.

The project cost of Civil and M&E Works is estimated at 58,862 million baht

  Land Acquisition 7,878     million baht
  Consultant Fee for Management and Construction control   1,062     million baht
  Civil Works 26,569     million baht
  Provisional Sum of Civil Works 2,656     million baht
  M&E Works 20,056     million baht
  Consultant Fee for M&E Works 641     million baht
Total   58,862     million baht  


Budget follows the draft bill authorises the Finance Ministry to borrow money for the country’s transportation infrastructure.



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