Systems and methods are provided for determining when a traffic signal associated with one or more paths through a road intersection is malfunctioning. Congestion prior to and subsequent to the road intersection is identified from a plurality of probe reports. A malfunctioning traffic signal is determined based on whether or not congestion is identified prior to and subsequent to the road intersection.

    La présente invention concerne des systèmes et des procédés permettant de déterminer lorsqu'un signal de trafic associé à un ou plusieurs trajets par le biais d'une intersection de routes est défectueux. Une congestion avant et après l'intersection de routes est identifiée à partir d'une pluralité de rapports de sonde. Un signal de trafic défectueux est déterminé sur la base du fait qu'une congestion est, ou non, identifiée avant et après l'intersection de routes.


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    Title :

    AUTOMATED TRAFFIC SIGNAL OUTAGE NOTIFICATION WITHOUT SIGNAL TIMING AND PHASE INFORMATION


    Additional title:

    NOTIFICATION D'INTERRUPTION DE SIGNAL DE TRAFIC AUTOMATISÉE SANS SYNCHRONISATION DE SIGNAL ET INFORMATIONS DE PHASE


    Contributors:
    MUBAREK OMER (author) / BERNHARDT BRUCE (author) / XU JINGWEI (author)

    Publication date :

    2018-05-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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