This research is about the determinant of service quality dimensions towards quality public transportation in Shah Alam, Selangor. The objective of this research is to determine the service quality dimensions relationship between independent variables such as reliability, assurance, tangibility, empathy and responsiveness and dependent variable that is quality. Data were collected from 300 public transporters in Shah Alam. In this study, convenience sampling was used which only 200 respondents were returned the questionnaire. This research used the Descriptive Statistic (Measure of Central tendency), Factor Analysis, test of Reliability, test of
Linearity, and Pearson’s Correlation in order to analyze the data gathered by using Statistical Package for Social Sciences (SPSS) version 20.0. The result indicates there are positive correlations between service quality (empathy, responsiveness, assurance and tangibility) and quality. The findings of the research showed that the public transporters evaluated service quality to low degree of correlation with quality public transportation in Shah Alam, Selangor.