ABSTRACT Jalan Ahmad Dahlan in Sukajadi District, Pekanbaru City, is one of the areas that often experience waterlogging during the rainy season. This is caused by various factors, such as changes in land use, garbage buildup, and sedimentation in drainage channels that hinder the flow of water. This study aims to evaluate the drainage performance on Jalan Ahmad Dahlan, Sukajadi District, Peka…