| 摘要 |
The disclosed route searching apparatus sets a searching range in a specified area (determined by the distance between two points), around a line segment linking the specified two points, when the user specified a departure point and a destination point on the map, judges if there is a trunk road within the searching range, and determines and displays the traveling route, if present, passing through such road. That is, a searching range in an area depending on the distance between two locations is set preliminary, and the traveling route is searched by limiting to this range, and therefore the traveling route effectively using the trunk road located in the vicinity can be searched and displayed in a short time.
|
