The M.R.T Chalong Ratchadham Line Project (MRT Purple Line), Bang Yai – Bang Sue Section, is an elevated railway system throughout the route, for a distance of approximately 23 kilometers, totaling 16 stations, starting from Khlong Bang Phai Station, where depot is located, to Tao Poon Station serving as the interchange station between the MRT Purple Line and the MRT Blue Line.

The MRT Chalong Ratchadham Line Project (MRT Purple Line), Bang Yai - Tao Poon Section, was graciously given its name by His Majesty King Bhumibol Adulyadej, King Rama IX, on the occasion of the 70th Anniversary Celebrations of His Majesty King Bhumibol Adulyadej’s Accession to the Throne. The name “Chalong Ratchadham” has signified that “To Celebrate the Great King’s Reign with Righteousness”. On August 6, 2016, Her Royal Highness the Princess Maha Chakri Sirindhorn graciously presided over the official opening ceremony of the project.

Rolling Stock

Each service car is a 750-volt DC air-conditioned heavy rail of 65 meters in length. The railway system is controlled by the Automatic Train Operation System from the Operation Control Centre.

Passenger Transport Capacity

There are a total of 21 trains, each consisting of three cars. A three-car train can carry about 1,187 passengers.

Train Speed

Maximum speed capacity of a train is 80 kilometers per hour while the average speed is 32 kilometers per hour.

Station

In general, all of the systems stations are elevated and constructed on three levels with the exception of Tao Poon Station, the interchange station.

Ground Level on the first floor where the entrance to the station with many convenient facilities, elevators, escalators and ramps.
Concourse level on the second floor where tickets office, Ticket Vending Machine (TVM) and facilities for disabled such as elevators,toilets and ramps way. Some stations can connect to the Park and Ride Buildings
Platform level on the third floor where the train stops. The Platform Screen Door (PSD) will automatically open and close when the train comes to a complete stop.