In this study, the researchers focus on identifying key attributes that affect the users’ perceptions on bus service quality in Phnom Penh City. Questionnaire surveys were collected from bus users to measure their perceptions of the bus service quality. After that, data were analyzed using Factor analysis. Twenty-four quality attributes were analyzed utilizing exploratory factor analysis (EFA).This has led to the conclusion that there are five main factors affecting the perceptions of users regarding the quality of bus services. They are: Bus Stop Facilities, Bus Services, Driver Attitude, Bus Capacity, as well as Vehicle Condition.
