DRIVING ASSIST DEVICE

摘要

A driving assist device detects the position of a vehicle (13) in the width direction of a road using road width data for the road and left and right distance data for the vehicle. Of the distance data that indicates the detected vehicle position, distance data with a variation over time that exceeds a predetermined threshold value when the travel trajectory of the vehicle (13) is straight ahead is identified, the vehicle position is corrected to a vehicle position indicated by distance data that excludes said distance data, the traveling state of the vehicle (13) is assessed from the change over time in the corrected vehicle position, and a notification of the details is provided according to the assessed traveling state.