| 摘要 |
PROBLEM TO BE SOLVED: To search a guidance route that takes into consideration the ease of passage of an intersection to actual road conditions. SOLUTION: A route search system has a database 3a for storing the cost for passing the inside of an intersection according to passage time for each exit link to an entrance link into the intersection of each location collected by the drive of a probe car, calculates the route cost by node costs, including the passage costs of the inside of the intersection stored inside the database 3a, and the link cost of the link between intersections, and searches for a route where the route cost, from the departure up to the destination, is minimized (S400). COPYRIGHT: (C)2007,JPO&INPIT |
