Mobility and movement are the basic needs of human life in all ages and today, despite advances in electronics in cyberspace, is an integral component of life. The main purpose of this paper is to explain the importance of customer satisfaction dimensions from public transportation systems especially BRT system, based on statistical techniques. So this paper has examined the BRT system in terms of passenger satisfaction by questionnaire technique. Accordingly, the research method is analytical that used some techniques such as questionnaires, observation and study of the documents used. At the same time to analyze the data, in addition to participatory observation period of 6 months, statistical techniques, such as factor analysis, regression, etc were used. The results show the effectiveness of the four factors in the satisfaction of a BRT system. The fundamental factors are extracted, including service, speed, behavior and physical properties of the bus.  Finally, this research suggests that continuous use of travelers from the BRT system is depend on a review of their satisfaction. In general, any geographical scale city planning, attention to the needs of citizens and the participation of all segments of society in the planning process. In general, any geographical scale city planning is needed to attention to the citizens and the participation of all segments of society in the planning process.