| 摘要 |
PROBLEM TO BE SOLVED: To provide a safe driving support system which can perform highly effective safe driving support in order to prevent a driver from having overconfidence or suspicion in the safe driving support system, even when intersections adapted for safe driving support and intersections not adapted for the safe driving support coexist.SOLUTION: An in-vehicle device 2 receives service intersection information including information for identifying whether each intersection is a service intersection, from an on-road device 1. The in-vehicle device 2 searches for a guide route to a destination, groups intersections existing on the guide route, and determines whether all intersections included in each group provides signal information. If the determination result indicates that all intersection in the group provide signal information, the in-vehicle device 2 determines to perform speed control processing at every intersection included in the group. |
