Here, in a case, for example, that behaviors of the own vehicle and surrounding vehicles cannot be recognized in advance during traveling with automated driving, there may be a fear that an occupant is annoyed with uneasiness or unpleasantness. To eliminate such uneasiness or the like, there has been proposed an automated travelling vehicle that includes means to inform an occupant of a behavior to be subsequently performed by an own vehicle during automated driving in accordance with a previously-set travel plan and a behavior of another vehicle existing therearound obtained through vehicle-to-vehicle communication and the like (e.g., see Patent Literature 1).