The project is heavy rail MRT with distance of 25.5 kilometer, 20 stations carrying capacity of 40,000-50,000 passengers in each direction per hour, 6 cars per train, UIC 60 rails with the Third Rail System and E&M work. The Intermodal Transfer Facilities consists of park & ride building/parking area for taxi and public transport, depot and depot OCC.

 

The viaduct structure is supported of 2 tracks on the road median Phaholyothin Road and Lumlukka, The viaduct structure is supported of 2 tracks on the road  median with a total distance of 13.5 km. The typical span of viaduct is 35 meters on a single-column structure. The viaduct support structure is made of continuous box girder, 3 spans (105 meters), having 5 special length (50 meters and 60 meters).  The viaduct structure is concrete balanced cantilever.