NAVIGATION SYSTEM

摘要

A navigation device includes a road periphery display change unit 3 that selects a road R which connects to, intersects with, or is adjacent to a guidance route/a travel plan route 21 from a map database 5, and displays the road in a high contrast on the inside of a predetermined distance from the guidance route/the travel plan route 21, displays the road in a low contrast on the outside of the predetermined distance, and displays the road by changing continuously or stepwise a gradation in an intermediate region between the inside and the outside.