
Traffic police said the road was flooded on both sides.
They said the two lanes on the frontage road of the inbound Chaeng Wattana Road was under about 50cm of water.
The flooding caused traffic snarls on both sides of the road throughout the morning.
Three lanes of the inbound Tiwanon Road from Suan Somdej Park to the Muang Thong Thani Intersection were also under water.