ROAD INFORMATION PROCESSING SYSTEM

A road information processing system including: a lane departure prevention information acquisition unit for acquiring lane departure prevention information indicating a time point at which a lane departure prevention process by a lane departure prevention function was executed, and a point where the lane departure prevention process was executed, on a vehicle having the lane departure prevention function; a vehicle behavioral information acquisition unit for acquiring vehicle behavioral information indicating a behavior of the vehicle; and an obstacle recognition unit for recognizing, based on the lane departure prevention information and the vehicle behavioral information, an obstacle present at the point where the lane departure prevention process was executed.