The present disclosure relates to a route providing device which is provided in a vehicle communicating with a server and provides a vehicle route, the route providing device including: a communication unit which receives EHP information including at least one among visual field information for autonomous driving and an optimal route at the traffic-lane level, which are generated from the server; a main EHR which receives EHP information from different servers through the communication unit; and a sub-EHR for transmitting data processed by the main EHR to at least one among electric parts provided in the vehicle.