| 摘要 |
PROBLEM TO BE SOLVED: To provide a route planning device capable of verifying whether or not navigation is possible at a specified date for a route created by a user.SOLUTION: A navigation system includes: a display part; an input part; a caution information reading part; and a route verification part. The display part displays a scheduled navigation route created by a user on a map. The input part accepts input of a navigation date of the route. The caution information reading part reads caution information on the basis of the navigation date input to the input part. The route verification part extracts at least the caution information located on the route or in the vicinity of the route on the basis of a position shown by the caution information read by the caution information reading part, and a position of the route, and verifies the route on the basis of the extracted caution information. |
