A driving assistance system able to suitably inform a user of the occurrence of congestion or an accident or other situation which may obstruct the advance of one's own vehicle and accordingly able to suitably assist driving, that is, a driving assistance system which judges whether or not congestion, an accident, etc. has occurred in a direction of advance of the vehicle on the basis of road information transmitted from a road information center and the current location of the vehicle and changes an operating force of a direction instruction operation lever in the corresponding direction of advance when detecting the occurrence of congestion, an accident, etc. in the direction of advance of the vehicle. By the change of the operating force of the direction instruction operation lever, the occurrence of congestion, an accident, etc. in the direction of advance of the vehicle can be tactilely informed to the user via the direction instruction operation lever when the user tries to operate the direction instruction operation lever.