A system for determining instances when a vehicle's indicated speed exceeds a governing speed includes a receiver to receive information from which a vehicle's location envelope, indicated direction of travel, and indicated speed can be derived, and a processor. The processer is configured to ascertain a location envelope in which the vehicle is located, an indicated speed of the vehicle, and a direction of travel of the vehicle at a sample time. It is also configured to select the governing speed for the vehicle at the sample time, which includes ascertaining possible route segments (e.g., road segments) with at least a portion within the location envelope, eliminating route segments having a route segment direction of travel inconsistent with the indicated direction of travel, and selecting as the governing speed a speed associated with a remaining route segment. The processor will then determine if the indicated speed exceeds the governing speed.


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    Title :

    System and method for detecting speed limit violations



    Publication date :

    2015-05-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS





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