Alignment

     The MRT Purple Line Project begins from Tao Pun Station (elevated) which is an interchange station between the M.R.T. Chalong Ratchadham Line and the M.R.T. Chaloem Ratchamongkhon Line. Where the route alignment elevates over Khlong Bang Sue then gradually descending to become underground structure passing under the Royal Thai Army Ordnance Department turns right along Thahan Road at the Anti Aircraft Artillery Division, pass Kiak Kai Intersection into Samsen Road passing the new Parliament House, Rajinibon School, Royal Irrigation Department, Vajira Hospital and National Library. The alignment passes under Khlong Bang Lamphu, turns left along Phra Sumen Road, passes Wat Bowonniwet Vihara, Ratchadamnoen Klang Road into Maha Chai Road, passing Wat Rat Natda Ram Worawihan, Romaneenart Park, into Chakphet Road. It then passes under Chao Phraya River at Phrapokklao Bridge to Prajadhipok Road, passing Ban Khaek Intersection, passes under Wong Wian Yai to Somdet Phrachao Taksin Road, passing Somdet Phra Pinklao Hospital and passes under Mahai Sawan Intersection. Then, transforms to elevated alignment and goes along Suksawat Road. It passes Dao Khanong Intersection, Bang Pakaeo Intersection, Pracha-Uthit Intersection, passes over Chalerm Mahanakorn Expressway. It then passes Phra Pradaeng Junction and the end of the train route at Khru Nai Station

Structure

     The civil works structure combines with underground structure and elevated structure. Its total distance is about 23.63 kilometers. (underground structure 14.29 kilometers and elevated structure 9.34 kilometers)

Railway System

     Heavy Rail Transit : HRT

Stations

     There will be 17 stations along the route, including 10 underground stations, 7 elevated stations

Depot and Stabling Yard

     Depot jointly with the M.R.T. Chalong Ratchadham Line at Khlong Bang Phai Depot and has stabling yard located on the south side of Kanchanapisek Road adjacent to the Bang Khru Expressway toll gate 3 of Kanchanaphisek Expressway (Bang Phli - Suk Sawat)

Park and Ride

     Park and Ride Building will be located in the area of Bang Pakok Station and Rat Burana Station