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.
Road condition analysis method and system of expressway
29.04.2015
Patent
Elektronische Ressource
Englisch
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