| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus for searching for a route to go through links in a predetermined area thoroughly.SOLUTION: A travel route search device includes: a first map database for storing map data including information on object links in a first area, the first map database serving as map data for searching for a travel route, and a travel history database which accumulates travel histories of a vehicle. On the basis of the travel histories, an already traveled link of the object links in the first map database is specified, and the specified already traveled link is deleted from the object links in the first map database, to update the first map database. The travel route is searched by referring to the updated first map database. |
