ROUTE SEARCH DEVICE, COMPUTER PROGRAM AND ROUTE SEARCH METHOD

摘要

PROBLEM TO BE SOLVED: To provide a route search device, a computer program and a route search method capable of providing a reliable route.SOLUTION: A route search device comprises: a vehicle characteristic information storing section which stores characteristic information of a vehicle in association with an identifier of the vehicle; a road characteristic information storing section which stores the characteristic information of a road corresponding to an arbitrary link in a road network; a vehicle information acquisition section which acquires the identifier of the vehicle, a departure place and a destination; a candidate route search section which searches candidate routes including a plurality of links from the acquired departure place to the acquired destination; a characteristic information extraction section which extracts the characteristic information on the road corresponding to the links included in the searched candidate routes; a determination section which determines whether or not the plurality of links included in the candidate routes are trafficable on the basis of the characteristic information on the vehicle corresponding to the acquired identifier and the extracted characteristic information on the road; and a final route search section which searches a final route from the departure place to the destination excluding the link determined to be not trafficable.