The Chilaw - Puttalam road has been inundated near the Deduru Oya.
Meanwhile, the Chilaw-Colombo road was inundated near the town of Mahawewa the DMC said.
Therefore, vehicular movements have been hampered in both roads.
Meanwhile, lowlands in the Chilaw area were inundated in floods. The sluice gates of the Deduru Oya Reservoir were opened a few days ago due to rising water levels.