| 摘要 |
PROBLEM TO BE SOLVED: To provide a navigation device appropriately displaying discount information of a toll road according to the time and date and the like.SOLUTION: The navigation device includes an acquisition means for acquiring road map data; a time information acquisition means for acquiring date and time information; a discount condition acquisition means for acquiring a discount condition including discount information of a toll road; a determination means for determining a discounted region whose toll is discounted, in the toll road based on the acquired date and time information and discount information; and a display means for displaying the acquired road map data in such a manner that the determined discounted region is identifiable. The discounted region is displayed such that a free region R1a and discounted regions R2a and R2b can be identified with balloons F1, F2 and F3 indicating a discount rate, a free period and the like. |
