Alignment

       The MRT Orange Line Project “Bang Khun Non - Min Buri (Suwinthawong)” is both underground and elevated transit system included within an approximate distance of 35.9 kilometers. The project alignment starts at Bang Khun Non, runs along existing right of way of Bangkok Noi railway, passes Siriraj hospital, crosses under the Chao Phraya river near Somdet Phra Pin Klao bridge, passes under Ratchadamnoen Klang road and continues along Larn Luang road. After that passes though Yommaraj to Phetchaburi road, turns to Ratchaprarop Road and Din Daeng. Then it turns to Vibhavadi Rangsit road, turns right to Bangkok Metropolitan Administration office 2 (Din Daeng), go straight to interchange with the Chaloem Ratchamongkhon Line at Thailand Cultural Centre station. Next it turns to depot of Mass Rapid Transit Authority of Thailand (MRTA) which is located at the current MRTA Office Building. Then it runs along the Rama IX road, turns left into Ramkhamhaeng road, passes Lam Sari intersection, Kanchanapisek road intersection and terminates at the Suwinthawong station near the Ramkhamhaeng – Suwinthawong junction.

Structure

       1. Underground structure with total length of 27 kilometers for 21 stations.

       2. Elevated structure with total length of 8.9 kilometers for 7 stations.

Railway system

      Heavy Rail Transit

Stations 

       Underground structure with 21 stations and Elevated structure with 7 stations. Total for 28 Stations.

Depot

       The depot is located in the MRTA Headquarter area.

Park & Ride

       2 Park & Ride Facilities are located at Khong Ban Ma Station and MRTA Station.