| 摘要 |
The present invention provides a desirable route that avoids particular roads where a start point or the like has been set on a particular road type. In the present invention, route evaluation values of links A and B on a toll road are multiplied by, for example, 1.0 times. Therefore, the sum of route evaluation values of a route through links A->G->D->E->F becomes 5+2+5+20+15=47 and the sum of evaluation values of a route through links B->G->F becomes 20+2+15=37. Thus, a route passing link B having a small sum of evaluation value is set as a route to the destination.
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