Safety
Department of Highways Advises Avoiding Seven Routes in Nan and Phayao Due to Flooding
Heavy rainfall and flash floods have impacted traffic on seven highway sections in Nan and Phayao provinces, prompting the Department of Highways to issue travel warnings.
On August 19, 2026, the Department of Highways reported that severe weather conditions, including heavy rain and flash floods, have caused flooding across seven locations on highways in Nan and nearby provinces. The Nan Highway District 2 has officially advised motorists to avoid these affected routes to ensure safety and prevent traffic congestion.
According to the report from Khaosod Online, the flooding has significantly disrupted travel. Notable impacts include Highway 101 at kilometer marker 429+750 in Ban Rong, Pua District, where the road surface is currently impassable. Additionally, at kilometer marker 430+000 near the Ban San intersection in Pua District, the underpass is flooded, though traffic is being diverted to the upper road level. Another affected area is Highway 1256 at kilometer marker 5+975 near the Ban Mon bridge.
For residents and travelers in the region, these disruptions may cause significant delays or require lengthy detours. The Department of Highways urges the public to exercise extreme caution when traveling in these areas. Travelers are encouraged to contact the Department of Highways hotline at 1586 for real-time traffic updates and further information regarding road conditions. As the situation remains fluid due to ongoing weather conditions, motorists should monitor official announcements for updates on when these routes might be cleared for normal passage.
