Based on a regression analysis of field test data obtained from provincial Highway 203, the correlations of speed standard deviation and traffic conflicts along two-lane highways were determined in this paper. The relations of speed standard deviation, strength of traffic conflicts, and traffic accident rate are analyzed, and their internal relations are established theoretically. The results show that there is a remarkable correlation between speed standard deviation and strength of traffic conflicts on two-lane highways. Among the diversified regression models used, the correlation coefficient of the polynomial regression model is the highest.


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    Title :

    Correlations of Speed Standard Deviation and Traffic Conflict for Two-lane Highways


    Contributors:
    Wu, Dehua (author)

    Conference:

    Second International Conference on Transportation Information and Safety ; 2013 ; Wuhan, China


    Published in:

    ICTIS 2013 ; 145-151


    Publication date :

    2013-06-11




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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