Enlightened Globalist: Billions of ringgit have been spent over the past few years on flood alleviation, including the Stormwater Management and Road Tunnel Smart.
Authorities at Port Klang, the country's largest harbour, said shipping operations were severely disrupted by the floods.
Ferries had to be used to bring the vehicle across the river.
Heavy rain in the federal capital this afternoon caused flash floods to occur in several parts of the city.
He said among the plans were to identify flood hotspots and existing drainage systems that did not have the capacity to channel rainwater, as well as formulate conceptual mitigation solutions for the hotspots.
Business owners in Selangor have begun to reopen their businesses.