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The Yellow Line
Project Website Lat Phrao - Samrong
Project Website: www.mrta-yellowline.com
Background
According to the feasibility study on economics and environment and the preliminary design of the Yellow Line project which was undertaken by Office of Transport and Traffic Policy and Planning (OTP) during the years 2007-2011, the Yellow Line project was divided into 2 sections, i.e. Ratchada/Lat Phrao-Phatthanakan section and Phatthanakan-Samrong section, or The Yellow Line(Lat Phrao - Samrong)
CharacteristIcs
The Yellow Line(Lat Phrao-Samrong) is the straddle monorail system on the elevated structure, 30.4 kilometers with 23 stations. It is the interconnecting line between the Blue Line at Ratchada station (Lat Phrao station of the Blue Line) and the other 4 lines of mass transit system, i.e. the Grey Line(ฺBMA) at Chalong Rat intersection, the Orange Line at Lam Sali intersection, Airport Rail Link at Rama IX interchange and the Green Line: Bearing-Samut Prakan at Samrong station.
The Project Route alignment (Lat Phrao – Samrong)
MRT Yellow line project is elevated straddle type monorail transit. The route start from the interchange station with the M.R.T. Chaloem Ratchamongkhon Line (THE BLUE LINE) at Ratchada - Lat Phrao intersection and head to Lat Phrao road, connect with Grey Line Project (Project of BMA) at Chalong Rat intersection, cross Chalong Rat Expressway to Bang Kapi intersection. Then, the route head toward south on Srinagarindra road, connect with the Orange line Project at Lam Sali intersection, cross Rama IX interchange, connect with the Airport Rail Link. The route will head through Phatthanakhan, Si Nut, Si Udom, Si Iam, Si Thepha intersection, Thepharak road toward the Green Line: Bearing-Samut Prakan at Samrong station and ends up at Pu Chao Saming Phrai road. The entire length of the Pink Line contains the distance of 30.4 kilometers.
Depot
Depot area of the Yellow Line Project was located on the Si Iam interchange on Sri Nakarindra road. The depot area consists of Main workshop for Rolling stocks inspection and maintenance activities, Stabling area and Operation Central Control building.
Park and Ride Building
Park and Ride building of Yellow Line project located near Si Iam station on Sri Nakarindra road. Full capacity around 2,800 cars.
Rolling Stocks
The 750 Volts DC rolling stock with 4 cars train will be used since initial phase and might be expanded to be 7 cars train in future operation which can contain passengers around 28,000 passengers per hour per direction.
Rolling Stocks of The Pink and Yellow Line system is the first driverless straddle type monorail in Thailand. Maximum operation speed is 80 km/hr. Train interior was design based on universal design concept which contain facilities and safety features. Overall 30 trainsets contained in this project.
Guideway Beam
Guideway beam will be parallel installed along the route with walkway for passengers evacuation. Conductor rail was mounted along the beam for train power supply. There are 2 type of guideway beam in the project.
1. Concrete guideway beam – general type of 30 meters beam used in the project.
2. Steel guideway beam – length 20 – 70 meters, this beam type was used in the limited condition route such as narrow curve radius route and long distance across the canal or junction.
Project Cost
| Detail | Cost | Unit |
| Land Acquisition | 6,013 | million baht |
| Civil works | 22,354 | million baht |
| M&E Works and Rolling Stocks | 21,939 | million baht |
| Consultant Fee | 1,504 | million baht |
| TOTAL | 51,810 | million baht |
Remark
The Project Cost was already approved by the MRTA Broad of Director on October 14, 2014
