Analysis of physical-traffic criteria and pathology and the role of beltways in urban areas (Case study: Sari)

The purpose of this research is the pathology and role of beltways in Sari city traffic. The research methodology is qualitative and subject-based analysis, and the statistical community in the quantitative and minor sector are formed by managers with academic background and executive and urban experts. The size of the sample was in the quantitative section with the achievement of the theoretical saturation (equivalent to 5 people) and in the small section included the size of 30 experts and specialists in the city of Sari who were specialized in the field of traffic and issues related to the city. After analyzing the indicators, using the Friedman test in SPSS software, the resulting indicators were prioritized and using the one-sample t-test, the beltways of Sari city were measured in terms of traffic and its management. The findings from the Quantitative Department and theoretical studies showed that criteria related to the traumatic role of belts in urban traffic as a whole included the management, economic and social problems of the belts project. The results obtained from the small segment in terms of priority indicators showed that the index of malfunctions of the system of holding disputes in some executive mechanisms and the dominance of relations rather than restrictions in the first priority and the system failure indicator for prioritizing half-life projects and preventing the allocation of favorable budget in the second priority. Also, the results of the one-sample t-test have shown that the role of the ring road in the traffic of Sari city was in an unfavorable condition, which indicates that the ring roads of Sari city have not been able to manage and control the traffic of the city properly.