The embodiment of the invention discloses a road grade updating method and device. The method includes the following steps of obtaining locating information, reported by a probe vehicle in an updating cycle, of locating points; matching roads with the locating points according to the locating information of the locating points and determining the roads where the locating points belong; working out the traffic capacity of each road according to the locating information of the locating points belonging to the same corresponding road; aggregating the roads having the same road grade at present according to road grade information in road attribute information of the roads so as to obtain the roads contained in each road grade; determining a standard traffic capacity interval corresponding to each road level according to the traffic capacity of the roads contained in each road grade; determining a standard traffic capacity interval where each road belongs according to the traffic capacity of each road and updating the current road grade of the corresponding road according to the road grade corresponding to each determined standard traffic capacity interval. According to the road grade updating method and device, the road grades can be updated in time.


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    Title :

    Road grade updating method and device


    Contributors:
    ZHANG XIANGFEI (author) / HU RUNBO (author) / ZENG LIFEI (author) / WU YUEJIN (author)

    Publication date :

    2015-06-24


    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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