The Department of Disaster Prevention and Mitigation (DDPM) issued a Cell Broadcast alert warning of a complete traffic closure on Prachathipok Road in both directions starting at 17:30 to expedite repairs on the MRT tunnel, with detours opened.
On 9 Jul 2026 GMT+7, reporters reported that water leakage was detected inside the MRT tunnel under construction near Wongwian Yai intersection. The Purple Line MRT project section from Tao Poon to Rat Burana (Kanchanaphisek Ring Road), contract 4 area between Phuttha Bridge and Dao Khanong, approximately 30 meters below the road surface at Wongwian Yai, was affected, as previously reported.
Recently, Buppharam Police Station announced a "full traffic closure" on Prachathipok Road outbound from Ban Khaek intersection to Wongwian Yai, and inbound lanes were adjusted to allow two outbound lanes for vehicles.
At approximately 17:00, the DDPM sent a Cell Broadcast alert stating: "This notification is to inform that DDPM announces a traffic closure.
16:58:04: Officials are currently inspecting Prachathipok Road to facilitate urgent repairs of the Purple Line MRT tunnel. Therefore, Prachathipok Road will be closed from Ban Khaek intersection to Wongwian Yai and from Wongwian Yai to Ban Khaek intersection on all lanes starting at 17:30. DDPM."
