The analysis of the factors affecting the severity of traffic accident

According to the traffic accident statistics in Korea, the number of fatalities and injuries caused by traffic accidents has been decreasing over the last 5-years. However, since traffic accidents are constantly occurring, it is needed to find out the factors affecting the accident. This study was performed to analyze the factors using the Ordered Probit Model and Random Effect Probit Model. The results of both models were compared to the influence and severity for traffic accidents of vehicle accidents. Independent variables concerning road cross sectional factor and severity of traffic accident were used and the severity of accidents were dependent variables. The results of this study are expected to improve the traffic safety.