| 摘要 |
PROBLEM TO BE SOLVED: To provide a navigation device capable of traveling to a destination via a stopover point, efficiently in time and from an economical viewpoint.SOLUTION: When searching for the optimum route via a stopover point, a route searching means 22 retrieves a facility designated in correspondence with a specific toll road existing in a prescribed region in the periphery of the stopover point, and searches for the optimum route along which a car leaves a specific toll road once from a designated outlet when the facility is detected, and then the car enters the toll road again from a designated inlet corresponding to the outlet after passing not only the facility but also the stopover point, which is a specific optimum route in which a required time of a route section between the outlet and the inlet is within a restricted time. |
