Road traffic accident is a concerning issue for many low to middle-income countries (LMICs). An appropriate accident prevention strategy is thus necessary for ensuring a safer road that requires scientific investigation of accident risk and accident prediction. Therefore, this study aims for accident hazard risk analysis of Sylhet district of Bangladesh to identify the vulnerable zones of accident occurrence. Highly vulnerable areas are found geographically connected. To explore the driving factors of accident occurrence, accident frequency prediction models are developed. The negative binomial regression model is found to outperform over the Poisson regression model indicating the overdispersion of the data. The estimated model confirms a significant level of association of accident frequency with zone level sociodemographic, roadway and traffic characteristics such as population, number of commercial activities, length of the road, width of the road and average annual daily traffic. The findings of this study can be useful for relevant policy analysis to minimize the road crash severity and frequency in the cities of LMICs that share similar characteristics of the study area Sylhet.
Frequency Modelling and Risk Evaluation of Road Crashes in Sylhet Region of Bangladesh
Int. J. ITS Res.
International Journal of Intelligent Transportation Systems Research ; 20 , 1 ; 90-102
2022-04-01
13 pages
Article (Journal)
Electronic Resource
English
Traffic analysis zone , Sylhet district , Accident risk evaluation , Accident prediction model , Negative binomial regression Engineering , Electrical Engineering , Automotive Engineering , Robotics and Automation , Computer Imaging, Vision, Pattern Recognition and Graphics , Civil Engineering , User Interfaces and Human Computer Interaction
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