Investigating the Effect of Marginal Areas around the Cities on Rural Road Accidents in Iran Using Linear and Logistic Regression Approaches
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJTE-9-3_005
تاریخ نمایه سازی: 7 اسفند 1400
Abstract:
According to previous studies, ۶۰% to ۷۰% of the total rural road accidents would occur at the city entrance zones in Iran. Therefore, the characteristics of these zones could be considered as effective parameters in rural road accidents. In all prior studies, a ۳۰-km buffer of the cities' entrances has been assumed as the border of the entrance zone. The ۳۰-km buffer could not be considered as the boundary of the influenced area (BIA) of the cites´ entrance for all types of the roads and cities, merely based on aggregate rural road accidents´ data and a traditional definition of the city entrance zone. Determining the BIA for various rural roads with different characteristics using the modelling approach is the innovative aspect of this research. Furthermore, according to their specifications, implementing safety improvements in these areas, not only reduce the number of rural road accidents and fatalities, but also prevent the loss of road safety costs due to the economic problems of Iran. Thus, this study aimed to develop linear and logistic regression models to predict the BIA of rural roads in Iran. The results of this study indicated a fit index value of ۰.۷۳۷ for the linear regression model, and ۰.۳۷۹ and ۰.۳۴۶ for the ordered probit (OP) and multinomial logit (ML) models, respectively. The analysis of significant variables at ۹۵% confidence level, revealed that the access points' density, and the length of adjacent land uses are the most significant variables affecting the BIA.
Keywords:
Boundary of Influence Area (BIA) , Linear Regression Model , Logistic regression model , Highway Access Point , Highway Adjacent Land use
Authors
Hamid Shamanian Esfahani
Department of Civil Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
Shahriar Afandizadeh
Professor, School of Civil Engineering, University of Science and Technology, Tehran, Iran
Ali Naderan
Assistant Professor, Department of Civil Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
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