An interest level detection unit configured to detect a level of interest of an occupant in a travel state of an automatic driving vehicle, a manual driving characteristic learning unit configured to learn manual driving characteristics based on the travel state of the automatic driving vehicle, and an automatic driving characteristic setting unit configured to set automatic driving characteristics based on a surrounding state of the automatic driving vehicle, an interest level determination unit configured to determine the occupant's level of interest in the vehicle travel and a driving characteristic setting unit configured to set the driving characteristics based on the manual driving characteristics learned in the manual driving characteristic learning unit when the level of interest is determined to be high and set the automatic driving characteristics set by the automatic driving characteristic setting unit when the level of interest is determined to be low.