Abstract
Road traffic injury is currently the leading cause of death among children and young adults aged 5–29 years all over the world. Measures must be taken to avoid accidents and promote the sustainability of road safety. The current study aimed to identify risk factors that are significantly associated with the severity in crash accidents; therefore, traffic crashes could be reduced, and the sustainable safety level of roadways could be improved. The Apriori algorithm is carried out to mine the significant association rules between the severity of the crash accidents and the factors influencing the occurrence of crash accidents. Compared to previous studies, the current study included the variables more comprehensively, including environment, management, and the state of drivers and vehicles. The data for the current study comes from the Wisconsin Transportation crash database that contains information on all reported crashes in Wisconsin in the year 2016. The results indicate that male drivers aged 16–29 are more inclined to be involved in crashes on roadways with no physical separation. Additionally, fatal crashes are more likely to occur in towns while property damage crashes are more likely to occur in the city. The findings can help government to make efficient policies on road safety improvement.
Highlights
The number of road traffic deaths in the world remains unacceptably high and increases continuously, reaching 1.35 million in 2016 [1]
In order to decrease the number of traffic crashes, fundamental reasons, which are the basis for promoting measures, need to be systematically analyzed
By setting an appropriate threshold value of support and confidence, essential information of traffic crash characteristics can be gained to analyze the fundamental causes of a traffic crash
Summary
The number of road traffic deaths in the world remains unacceptably high and increases continuously, reaching 1.35 million in 2016 [1]. Improving traffic safety levels is one of the great opportunities to save lives around the world, which does not receive anywhere near the attention it deserves [2]. Due to the complex nature of traffic crashes, the policy decision makers must consider numerous contributory factors when making decisions on the improvement of safety [3]. It is vital for decision makers to find the most significant factors that affect the occurrence and consequence of traffic crashes. It is generally accepted that through recognizing risk factors as shown, which affect the severity of a crash and corresponding coping strategies, the impact of crashes can be significantly reduced [4,5,6] It is generally accepted that through recognizing risk factors as shown in Figure 1, which affect the severity of a crash and corresponding coping strategies, the impact of crashes can be significantly reduced [4,5,6]
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