| 摘要 |
PROBLEM TO BE SOLVED: To provide a route search device or the like configured to search for a fuel-efficient route in an actual travel condition.SOLUTION: A route search device stores fuel economy information included in probe information acquired by a plurality of probe vehicles as fuel economy information associated by a relation between a certain section and a predetermined time unit in the section, and searches for a recommended route from an origin to a destination, including the section, on the basis of the associated fuel economy information. |
