Findings from School of Civil Engineering and Architecture Broadens Understanding of Risk Management (Structural equations modeling of real-time crash risk variation in car-following incorporating visual perceptual, vehicular, and roadway …)

2019 OCT 10 (NewsRx) -- By a News Reporter-Staff News Editor at Insurance Daily News -- Data detailed on Risk Management have been presented. According to news reporting from Wuhan, People’s Republic of China, by NewsRx journalists, research stated, “In this study, we attempted to explain drivers’ crash risk variation in car-following for crash avoidance considering the effects of drivers’ visual perception, vehicle type, and horizontal curves, with a structural equations model. The model was built by incorporating drivers’ speed risk perception and distance risk perception as latent variables.”

Funders for this research include National Natural Science Foundation of China, Science and Technology Project of Department of Transportation of Hubei Province, Research Project of Hubei Provincial Department of Education, Scientific Research Foundation of Wuhan Institute of Technology.

The news correspondents obtained a quote from the research from the School of Civil Engineering and Architecture, “A series of on-road experiments was conducted on the curved segments of a freeway in China to collect naturalistic driving data to approximate the model. The results indicate that (1) the amount of variance in speed risk perception accounted for by the temporal and spatial frequency and the following vehicle type was 21%; (2) the amount of variance in distance risk perception accounted for by the temporal and spatial frequency, leading vehicle type, stopping sight distance (SSD), horizontal sightline offset (HSO), and radius was 29%; and (3) speed risk perception and distance risk perception explained 27% of the total variance in crash risk variation, which is significantly higher than previous similar results that were commonly limited to 10%. The results were explained from the perspective of the effect of line markings, vehicle type (size), and curves on driving behaviors, respectively. In addition, the difference between the effect of speed risk perception and distance perception on crash risk variation was discussed considering the direct and indirect origins of risk in driving. The findings suggests that the incorporation of visual perceptual, vehicular, and roadway factors and its relevant speed risk perception and distance risk perception can better explain the crash risk in car-following.”

According to the news reporters, the research concluded: “This study also emphasized the possibility and the need of applying the line markings as a visual intervention to prevent the drivers from rear-end crashes on curves, which may provide new insights and be a new solution for roadway safety.”

For more information on this research see: Structural equations modeling of real-time crash risk variation in car-following incorporating visual perceptual, vehicular, and roadway factors. Accident Analysis & Prevention, 2019;133():105298. Accident Analysis & Prevention can be contacted at: Pergamon-Elsevier Science LTD, the Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England. (Elsevier - www.elsevier.com; Accident Analysis & Prevention - http://www.journals.elsevier.com/accident-analysis-and-prevention/)

Our news journalists report that additional information may be obtained by contacting N. Ding, 206 Guanggu 1st Road, School of Civil Engineering and Architecture, Wuhan Institute of Technology, Wuhan, 430205, People’s Republic of China. Additional authors for this research include N. Jiao, S. Zhu and B. Liu.

The direct object identifier (DOI) for that additional information is: https://doi.org/10.1016/j.aap.2019.105298. This DOI is a link to an online electronic document that is either free or for purchase, and can be your direct source for a journal article and its citation.

Publisher contact information for the journal Accident Analysis & Prevention is: Pergamon-Elsevier Science LTD, the Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England.

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