Honda Motor Co., Ltd.
MAP UPDATE SYSTEM

Abstract:

Provided is a system that can reduce the processing load on a map server when map data is delivered and the communication load on a communication path between the map server and a vehicle. In a map update system for updating map data used in a vehicle for travel control, with map data provided from a map server 3, a service vehicle Va, which retains the map data provided from the map server, provides the retained map data to a general vehicle Vb located nearby when the retained map data meets a predetermined provision condition. In particular, the service vehicle provides the retained map data to the general vehicle through vehicle-to-vehicle communications. The map data retained by the service vehicle meets the predetermined provision condition when the map data retained by the service vehicle is newer than map data used in the general vehicle.