The vehicle information acquisition unit (11) acquires vehicle information regarding travelling states of vehicles that are present in the vicinity of a plurality of respective intersections from data received from each of a plurality of detection apparatuses (20). The congestion determination unit (13) determines, for each of the plurality of intersections, whether congestion is occurring based on the vehicle information and determines an intersection where congestion has occurred to be a congested intersection. The intersection specifying unit (15) specifies, when there is a continuous congestion path including a plurality of consecutive congested intersections, a congestion-inducing intersection, which is an intersection that has induced congestion in a continuous congestion path. The cause determination unit (14) specifies the cause of the congestion occurred in the congestion-inducing intersection.
TRAFFIC MONITORING APPARATUS, TRAFFIC MONITORING SYSTEM, TRAFFIC MONITORING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PROGRAM
28.01.2021
Patent
Elektronische Ressource
Englisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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