Abstract: In order to evaluate driver’s tensity under the special traffic environment,to clarify the relation between traffic environment and driver’s psychological tensity,and to improve the road traffic safety,this article presents a model which can be used to evaluate driver’s tensity corresponding to the traffic environment by utilizing the experiment data and fuzzy clustering analysis method.It finishes the analysis of an example,and receives truthful conclusions.More work about driver’s psychological tensity under complex traffic environment can be done by using this method.

Key words: traffic environment； driver； tensity； clustering analysis；