| 摘要 |
Traveling locus information generated when vehicles serving as probe cars travel along paths that are not included in navigation map data provided in a navigation device is transmitted to a map distribution center as probe data. Having received the traveling locus information from the navigation device of each vehicle, the map distribution center gathers together the received data, groups together traveling locus information relating to the same path, and then generates new road information relating to a single new road in each group.
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