Abstract
In order to improve the urban road traffic safety early warning ability and traffic safety situation, this paper expounds the relationship between the main factors affecting traffic safety and traffic safety from macro and micro aspects. Then the evaluation index system of urban road traffic safety is constructed by selecting four factors including pedestrian, vehicular, road and environment. And the index weight are determined by the entropy weight method, the traffic safety evaluation model is established by extension theory, so it can make a qualitative and quantitative analysis of road traffic safety. Finally, Wuhan City is used as an example to verify the established index system and evaluation model, after determining the evaluation level according to the actual situation of urban road traffic safety, the constructed matter element model is applied to the evaluation of urban road traffic safety status in Wuhan. It is concluded that the safety level of the actual roads in Wuhan is three levels, and the safety is moderate and needs to be improved.
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