The route induction device, route induction method, you grasp in the route induction program and the computer, possible record medium

摘要

The route induction device (100), the right left turn position which is detected the sensing station where the portable detects right left turn position of not yet passing from midst of setting route (101) with, the sensing station (101) by according to setting route the right alternate route when it did not turn left the search section which the right of the portable is searched before the left turn position passing (102) with, the calculation section which calculates with the cost information regarding the direct route to the confluence position of cost information and the alternate route regarding alternate route from the inside right left turn position of setting route (103) with, the calculation section (103)Depending, the output section which is output before the right left turn position passing (105) with, it has the warning information regarding the right left turn position on the basis of criticality it is decided the decisive section which decides criticality of the right left turn position on the basis of the cost information which was calculated, (104) with, the decisive section (104) by.