The invention discloses a road condition analysis method of an expressway. The method includes the following steps: (1), performing road test on the expressway and acquiring road test data; (2) combing the road test data, paying attention to places or areas of front-back base station switching on the expressway, marking the places or areas as key points or areas and recording signal strength of mobile phones in the key points or areas; (3) acquiring user data of each base station from a communication operator; (4) performing sampling analysis from the user data, and completing coarse positioning of users according to the user data; (5) matching the user data with the road test data, and correcting coarse positioning information of the users; (6) according to positioning changes of the user data, analyzing a traveling track, and computing travel time, travel distance and travel speed so as to form traffic and road condition information on the expressway.


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    Title :

    Road condition analysis method and system of expressway


    Contributors:
    LIANG DUGUO (author) / REN GUANGJIE (author)

    Publication date :

    2015-04-29


    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 / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr



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