This section starts at Chaeng Watthana Road, connecting to Station PK10 (Muang Thong Thani), formerly named Si Rat Station, on The MRT Pink Line. Then enters the Muang Thong Thani area, following Chaeng Watthana–Pak Kret 39 Road, running parallel to the Udon Ratthaya Expressway. The route passes the Muang Thong Thani Roundabout, where Station MT-01 is located, and continues to the project’s terminus at the Muang Thong Thani Lake area, where Station MT-02 is located.

Structure : Elevated structure entire route
Systems : Straddle Monorail
Distance : 3.0 km.
Station : 2 Stations
Investment scheme : PPP Net Cost
(The private sector is fully responsible for all investment of this project and the concession period ends simultaneously with the main line)
Concessionaire : Northern Bangkok Monorail Company Limited (NBM)
(The amendment of the concession contract for the MRT Pink)
Depot and Park&Ride Building was shared with the main pink line project.
            -     
Economic Internal Rate of Return (EIRR) = 13.5%
            -     
Financial Internal Rate of Return (FIRR) = 6.0%
- Ridership Forecast on the service launching date = 13,785 passenger - trips/day
* Ref: Feasibility Study Report of the MRT Pink Line Extension Project as of February 2021
Scheduled to start Construction : June 20, 2022
Expected to operate : June 17, 2025