| 摘要 |
A navigation system 16 acquired information relating to a point, such as a sag 520 where a decrease in vehicle speed is induced in front of a system-mounted vehicle 100. When the system-mounted vehicle 100 has reached a predetermined distance from the sag 520 concerning the information acquired by the navigation system 16 or when a predetermined time has come before reaching the sag 520, an ECU 20 and an ACC 30 controls the traveling of the system-mounted vehicle 100 such that the inter-vehicle distance from an ordinary vehicle 200 behind the system-mounted vehicle 100 increases. Therefore, even when a vehicle control device 10a is not mounted in an ordinary vehicle 200x behind the system-mounted vehicle 100, it becomes possible to prevent a decrease in the speed of the ordinary vehicle 200x behind the system-mounted vehicle 100, thereby more effectively suppressing congestion.
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