The run locus operation device, run locus operation manner and run locus

摘要

PROBLEM TO BE SOLVED: To provide a travel path calculation device, a travel path calculation method and a travel path calculation program capable of improving the accuracy of the travel path of a vehicle on a map.;SOLUTION: A navigation device 2 calculates the travel path of the user's vehicle in the interval to be processed, based on a vehicle mounted sensor 5; determines the road construction period in the interval to be processed; acquires a slope regulation information corresponding to the road construction period in the interval to be processed from a road rule memory unit 20 for storing each of tables 21, 22 setting the slope of a road, based on the road structure rule stipulated according to the road construction period, and corrects the calculated travel pass information, based on the acquired slope rule information.;COPYRIGHT: (C)2010,JPO&INPIT