| 摘要 |
<p>PROBLEM TO BE SOLVED: To make searchable a desired route and to simplify the operation. SOLUTION: This navigation device is provided with a data acquisition means 91 acquiring road facilities data, a passing road specification means 92 specifying a passing road based on the road facilities data, a toll calculation means 93 reading toll data by referring to a toll table and calculating the toll of the passing road, a search cost calculation means calculating a search cost based on the toll cost corresponding to the toll, and a route selection means selecting the route based on the search cost. In this case, the passing road is specified based on the facilities data, the toll data is read out by referring to the toll table, the toll of the passing road is calculated, and the search cost is calculated based on the toll cost corresponding to the toll.</p> |
