Abstract
The traffic safety planning has received much attention in terms of reduction of danger in driving. The causality of the plural factors have to be clarified in the estimation of traffic accidents at the intersection. The model with fuzzy reasoning was introduced to the estimation of the number of traffic accident in the intersection. In this study, The causality of the plural factors analysis is designed and basic model is constructed for traffic accidents estimation in Intersections. The type of accidents may be separated to consider the accurate estimation in the study.