Evaluating the impact of the implementation of traffic restrictions on traffic violations and accidents (case study: Sanandaj city)

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Document Type : Original Article

Authors

1 no 5, no 33, araghi st, pasdaran

2 imam hasan university

3 Ph.D. Candidate, Faculty of Civil Engineering, Shahrood University of Technology, Shahrood, Iran

10.22034/road.2024.411211.2190

Abstract

construction of underpasses and overpasses based on the violations and accidents are examined. Therefore, the present study is practical in terms of purpose and descriptive-analytical in terms of nature, the statistical population includes all accidents and violations in the period before and after the implementation of traffic restrictions, and the datasets collected in the form of documents for violations and accidents. In order to select the appropriate test to check the hypotheses, first the normality of the variables is done using the Kolmogorov-Smirnov test. Then, the paired t-test is used to verify the hypotheses considering the difference between violations and accidents in the year before and after the implementation of traffic restrictions. The results showed that in the component of violations (speeding), accidents (injury severity) and in the cause of accidents (speeding and not paying attention to the front), there was an increase in violations and accidents after the implementation of traffic restrictions compared to before implementation of these restrictions. Also, in the case of violations (deviation to the left and lack of attention to the front), accidents (fatal and property damage only) and in the cause of accidents (deviation to the left), there was a decrease in violations and accidents after the implementation of these restrictions. Therefore, it can be shown that traffic restrictions can have a significant effect in reducing fatal accidents, property damage only and traffic violations.

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