A traffic information management system which can properly manage traffic information in various speed limit road environments is provided. A digital automobile data recorder (1) comprises a main camera (11) used for shooting a zone including a driving path of a vehicle; an image identification CPU (10) used for identifying road marks according to captured images; and a control system processing CPU (20). When the image identification CPU (10) identifies a speed limit mark as a road mark, the control system processing CPU (20) is used for recording variety of the identified speed limit marks, driving path positions and a driving direction of the vehicle in the driving path as speed limit information. A management device (5) comprises an information management CPU (54) used for acquiring the speed limit information recorded by the digital automobile data recorder (1) of each vehicle, accumulating the acquired speed limit information, and establishing a speed limit map regulating driving path positions and driving directions on the base of the speed limit information having same driving path positions and driving directions.
A traffic information management system
2015-07-01
Patent
Elektronische Ressource
Englisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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