Abstract
In order to evaluate traffic operation safety of urban ice and snow road objectively, ice and snow pavement friction coefficient, visibility, following distance and snow-accumulated depth are chosen as evaluation indexes and their criteria are established. Evaluation indexes are weighted by using the improved entropy weight coefficient method, and then the model of fuzzy comprehension evaluation of traffic operation safety on urban ice and snow road is constructed. It is demonstrated through an example that the model has strong operability, and its result is relatively accurate. This model provides a theoretical basis for judging road traffic safety ranks objectively and formulating scientific policies and measures which can improve road traffic safety under ice and snow condition.
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