TRAFFIC SAFETY SUPPORT SYSTEM AND STORAGE MEDIUM

A predictor 62 of a traffic safety support system includes a movement state information acquirer 620 configured to acquire movement state information of the prediction target, a surrounding state information acquirer 621 configured to acquire surrounding state information, a first movement state predictor 624 configured to predict a first predicted movement state on the basis of the movement state information, a second movement state predictor 625 configured to predict a second predicted movement state on the basis of the driver state information, a collision risk calculator 626 configured to calculate a first collision risk value for the first predicted movement state and a second collision risk value for the second predicted movement state, and a support controller 65 configured to execute support control for the prediction target in a case where at least one of the first and second collision risk values is greater than a predetermined threshold value.