Perspectives of road users on road drainage systems during heavy rainfall in Selangor

Malaysia has an equatorial climate that is hot and humid throughout the year. Malaysia's spot, which is Malaysia is a country located on the equator line where it has monsoon seasons but changes may occur depending on the location and period. Thus, the average range of rainfalls is different among the states in Malaysia. Heavy downpours urge road drainage systems to discharge the surface water to the selected channels without overflowing on road pavements. The overflowed surface water will affect surrounding users, the environment, devices and others. Road drainage systems are one of the essential infrastructure facilities on the roadway during rainy days. Selangor is a state known for its high population density compared to the other states and is also known for the frequently reported drainage problem that occurred especially during the monsoon season. Therefore, this research objective is to observe and to identify problems with the road drainage system, determine the satisfaction level of road users towards the road drainage systems and establish the importance of the performance of road drainage systems. The quantitative method is used in this research by distributing online survey questionnaires to road users in Selangor and using secondary data as a research tool for getting primary data. As categorized in non-probability sampling techniques, snowball sampling is used for this research to collect the data.