Abstract Traffic safety problem is one of the main problems faced by road traffic system, which attracts more and more attention of the society. Intersection is the bottleneck of the urban road traffic system. A large proportion of traffic accidents take place at intersections. On the basis of the existing critical conflict zone model, the human-vehicle unit driving states were further divided into longitudinal driving state, lateral driving state, and intersectional driving state, and traffic conflicts at intersections were analyzed. Emphasis was put on traffic conflict danger potential reaction of the human-vehicle unit in intersectional driving state. Combined with traffic rules, the risk identification model based on traffic conflict in intersection condition was built. Calculation examples show that the model can well simulate the actual traffic conditions and improve the precision and practicability of the original model. The theory of driver behavior and traffic safety has also been expanded and enriched.
Critical Safety Distance Model of Human-Vehicle Unit Based on Traffic Conflict at Urban Intersections
2017-07-12
12 pages
Article/Chapter (Book)
Electronic Resource
English
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