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The Brown Line
The route alignment
The route starts at Khae Rai Intersection, connecting with the MRT Purple Line and the MRT Pink Line. It heads east along Ngam Wong Wan Road, passing the Si Rat Expressway intersection, Phong Phet Intersection, and Bang Khen Intersection. The alignment goes under the Don Mueang Tollway, crosses Kaset Intersection, and continues along Prasert Manukit Road. Then passes the Lat Pla Khao Road junction, Sena Intersection, Sukonthasawat Road junction, Chalong Rat Expressway (Ramintra–At Narong) interchange, and Highway No. 350. At the Nawamin Road junction, the route turns right and continues along Nawamin Road, passing Pho Kaew Intersection, Si Burapha Intersection, Happy Land Intersection, and Bang Kapi Intersection. The route terminates at the junction of Phuang Siri Road and Ramkhamhaeng Road.
Basic Information
Structure : Elevated structure entire route
Systems : Straddle Monorail
Distance : 22.1 km.
Station : 20 Stations
Depot and Park&Ride Building
- The Depot is located at Suan Son Intersection, at the end of the project (the junction of Phuang Siri Road and Ramkhamhaeng Road).
- The Park&Ride Building is located at Lam Sali Station, at the end of the project (capacity : 280 vehicles)
Benefits of Project
- Economic Internal Rate of Return (EIRR) = 23.48% (entire route)
- Financial Internal Rate of Return (FIRR) = 3.65% (entire route)
- Ridership Forecast on the service launching date = 222,650 passenger - trips/day (entire route)
* Ref. PPP Report of The MRT Brown Line (Khae Rai - Lam Sali (Bueng Kum)) as of June 20236
Project Implemention Plan
Cabinet Approval for Construction : March 2026
Scheduled to start Construction : October 2027
Expected to operate : October 2030
* MRTA project Implementation plan acknowledged by the MRTA Board of Directors on Jul 14, 2025
Current Status
- In the process of discussion with related agencies to reach a conclusion before submit the PPP report in the next process.
- Other Public Information : (ประสานส่วนงานที่เกี่ยวข้องเพื่อเชื่อมต่อข้อมูล)
