Information center group traveling navigation method, group traveling navigation system, and navigation device

摘要

PROBLEM TO BE SOLVED: To compare a route searched by a navigation device of own vehicle with an up-to-date master route in all the navigation devices of group travel vehicles, and to display easily understandingly a portion different in the route, based on a comparison result therein.;SOLUTION: This navigation device for the group travel set vehicle compares a route search result in the own device with the master route (step S512), when receiving the master route (step S511), and displays a differential route in the comparison result while superposing it on the route search result in the own device (step S513).;COPYRIGHT: (C)2007,JPO&INPIT