| 摘要 |
PROBLEM TO BE SOLVED: To provide a route navigation system capable of setting a route on the basis of short-time information such as updated map data, traffic restriction by vehicle type classification or road blockage by road repairing. SOLUTION: This route navigation system has a route navigation device 100 displaying a present position on a display device on the basis of the map data, a host server 30 storing various information, and a communication line connecting the route navigation device 100 and the host server 3.0. The route navigation device 100 downloads the various information stored in the host server 30 and uploads user information to the host server 30. |
