Charan Sanitwong overpass to be demolished starting Jan 6
Heavy congestion for three years expected as construction works reroute traffic around Charan Sanitwong Road
The Suthawart Intersection Bridge which crosses Charan Sanitwong Road in Bangkok will be closed from January 6 until June 30, 2028, the Mass Rapid Transit Authority of Thailand (MRTA) announced on Monday. The flyover is being demolished to allow for the construction of the underground tunnel for the Orange Line train.
During the 3-and-a-half-year closure, motorists can still use the roads under the overpass, namely Suthawart and Liab Thang Rot Fai Taling Chan roads, which will each have one lane open, Kittikorn Tanpao, MRTA’s deputy governor of Engineering and Architecture, said.
The project’s contractor Ch Karnchang is planning to reconstruct the bridge in December 2026, and expects it to be back in use in June 2028, he said.
The construction is part of the Orange Line’s Bang Khun Non – Thailand Culture Centre section, specifically the Bang Khun Non underground station, he added.
The MRTA advised motorists to use the following alternative routes during the closure.
Borommaratchachonnani Road: Motorists on Ratchaphruek Road heading to Siriraj Hospital can take Borommaratchachonnani Road, then Somdet Phra Pinklao Road, and finally Arun Amarin Road leading to the hospital. This route is also valid when driving in the opposite direction.
Phran Nok Road: Motorists on Ratchaphruek Road heading to Siriraj Hospital, can take Phran Nok Road, then Wang Lang Road leading to the hospital. This path also works on return journeys.
Kaew Ngern Thong Road: Motorists on Liab Thang Rot Fai Taling Chan Road heading to Charan Sanitwong Road can take Chim Plee Road, then Kaew Ngern Thong Road, and enter Soi Charan Sanitwong 35 to reach Sanitwong Road. To get to Siriraj Hospital from here, make a U-turn in front of Makro shopping mall into Phran Nok Road, then take Wang Lang Road to the hospital.
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