A driving assistance device for an autonomous vehicle, comprising: a sensor unit configured to a acquire a present position information indicating a present position of the vehicle; a communication unit configured to acquire map data from a server device corresponding to an area including the present position of the vehicle; a storage unit storing the map data as a partial map DB including autonomous driving regulatory information (Ir) and autonomous driving capability information (Ic), wherein the autonomous driving regulatory information (Ir) is information for regulating autonomous driving per autonomous driving function and indicates a level at which vehicles can perform autonomous driving; an output unit including a display configured to display a map of an area of the present position based on the partial map DB; and a control unit including a CPU for executing programs and configured to control the entire driving assistance device, wherein the control unit is configured to conduct a route search to a destination input through an input unit, the control unit comprising an autonomous driving determination unit, an autonomous driving control unit, and a display control unit, wherein the autonomous driving determination unit is configured to recognize on the basis of the present position information and the partial map DB a traveling section and a traveling lane where the vehicle is traveling, to extract the autonomous driving regulatory information (Ir) corresponding to the recognized traveling section and the traveling lane from the partial map DB, and to recognize a feasible automation level of the autonomous driving with reference to the autonomous driving capability information (Ic) stored in the storage unit with respect to each autonomous driving function, the autonomous driving control unit is configured to determine the automation level of the autonomous driving based on the determination result of the autonomous driving determination unit and to perform on the basis of the determined route autonomous driving of the vehicle by using output information of the sensor unit, and the display control unit is configured to display on the output unit the map of an area of the present position with reference to the partial map DB and the control unit is configured to display a map view which explicitly illustrates the feasible automation level of the autonomous driving per area. a sensor unit configured to a acquire a present position information indicating a present position of the vehicle; a communication unit configured to acquire map data from a server device corresponding to an area including the present position of the vehicle; a storage unit storing the map data as a partial map DB including autonomous driving regulatory information (Ir) and autonomous driving capability information (Ic), wherein the autonomous driving regulatory information (Ir) is information for regulating autonomous driving per autonomous driving function and indicates a level at which vehicles can perform autonomous driving; an output unit including a display configured to display a map of an area of the present position based on the partial map DB; and a control unit including a CPU for executing programs and configured to control the entire driving assistance device, wherein the control unit is configured to conduct a route search to a destination input through an input unit, the control unit comprising an autonomous driving determination unit, an autonomous driving control unit, and a display control unit, wherein the autonomous driving determination unit is configured to recognize on the basis of the present position information and the partial map DB a traveling section and a traveling lane where the vehicle is traveling, to extract the autonomous driving regulatory information (Ir) corresponding to the recognized traveling section and the traveling lane from the partial map DB, and to recognize a feasible automation level of the autonomous driving with reference to the autonomous driving capability information (Ic) stored in the storage unit with respect to each autonomous driving function, the autonomous driving control unit is configured to determine the automation level of the autonomous driving based on the determination result of the autonomous driving determination unit and to perform on the basis of the determined route autonomous driving of the vehicle by using output information of the sensor unit, and the display control unit is configured to display on the output unit the map of an area of the present position with reference to the partial map DB and the control unit is configured to display a map view which explicitly illustrates the feasible automation level of the autonomous driving per area.