| 摘要 |
An utterance type vehicle-mounted device (200) (vehicle-mounted device) is mounted on a vehicle traveling on a road and provided with a communication processing unit for receiving information from roadside apparatus (100) at a roadside and an information output unit for outputting the information received by the communication processing unit. The utterance type vehicle-mounted device (200) further includes a control unit which judges whether the received information is to be provided to the same direction or a different direction as the vehicle traveling direction in accordance with the judgment of whether or not directional information detected by a direction identification means (257) provided at the road is consistent with directional information contained in the received information and which determines whether or not to output the received information. Thus, a vehicle-mounted device, an output propriety method, a road communication system, and a program are provided that are not made to output traffic information or its like which is not directed to the own vehicle.
|
