Abstract
To analyze the risk factors influencing the crash injury severity in rural-urban fringes, crash data in rural-urban fringes were collected from Harbin, China. Four risk factors, namely, time of day, vehicle type, road feature, and crash type, were investigated associated with the severity of rural-urban fringe crashes. The crash injury severity was divided into two categories, including fatal and nonfatal crash. The logistic regression was applied to explore the relationships between the severity outcomes and time of day, vehicle type, road feature, and crash type. The test methods of goodness-of-fit and badness-of-fit are conducted to examine the validity of estimation results. The results show considerable matching of the number of different crash types between calculated results and actual data. Compared with the other influencing factors, the time of day is significant factor for crash injury severity based on the study. As such, the proposed calibration procedure and the factors of choice are recommended as a validated approach to analyze and identify the main factors influencing crash injury severity in rural-urban fringes.
Highlights
With the rapid growth of China’s economy, the development level of urbanization is accelerating
As an important part of the road network, rural-urban fringes have become inclined to be involved in more traffic crashes with multiple interference points and serious mixed traffic problems, etc. [1, 2]
Methods for identifying major factors are discussed and validated using a logistic regression model based on field Journal of Advanced Transportation data. e contribution of this study is to identify the obvious risk factors to put forward targeted improvement measures
Summary
With the rapid growth of China’s economy, the development level of urbanization is accelerating. E acceleration of urbanization leads to the gradual expansion of economic and social activities to the periphery of the city and the expansion of the scope of urban built-up areas, forming the transitional zone of urban-rural fringe. Rural-urban fringes refer to the transitional zones of urban and rural areas with the nature of urban and rural land use. As an important part of the road network, rural-urban fringes have become inclined to be involved in more traffic crashes with multiple interference points and serious mixed traffic problems, etc. Ruralurban fringes crash comprise a substantial portion of traffic crashes and comprise a considerable portion of traffic crash casualties. To reduce traffic conflicts in ruralurban fringes and prevent them from becoming crash-prone locations, why and how traffic crashes occur in rural-urban fringes should be addressed
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