Route planning apparatus and route plan verifying method

The invention provides a route planning apparatus and a route plan verifying method, capable of verifying whether a route scheduled by a user can be traveled at a specified time and date. In one embodiment of the route planning apparatus, the route planning apparatus includes a display for displaying a user-scheduled route on a map, an iput part for accepting an input of time and date to travel on the route, a caution information reading portion for reading caution information based on the route date and time input to the input part, and a route verifying portion, based on the position represented by the caution information which is read by the caution information reading portion and the route postion, for extracting the caution information at least on the route or near the route and verifying the route based on the extracted caution information.