We analyzed the applicability of SSAM (Surrogate Safety Assessment Model) model with TTC in China to study the conflict characteristics of interchange diversion connection and discussed the advantages of DRAC. We calibrated the DRAC for Chinese drivers representing the conflict severity based on normal deceleration observation and emergency braking test of vehicles on freeway general sections, interchange exits and entrances, and toll booths. The paper simulates the length of different deceleration lanes and the number of lanes in connection section, obtains the traffic conflict characteristics corresponding to different connection of interchange, and guides the geometric design of the interchange connection.


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    Title :

    Traffic Conflict Characteristics of Different Geometric Designs in Interchange Diversions


    Contributors:
    Zhou, Jian (author) / Liu, Qingxia (author) / Di, Shengde (author) / Wu, Hongbo (author) / Zhou, Ronggui (author)

    Conference:

    21st COTA International Conference of Transportation Professionals ; 2021 ; Xi’an, China


    Published in:

    CICTP 2021 ; 1255-1261


    Publication date :

    2021-12-14




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



    Traffic Conflict Characteristics of Different Geometric Designs in Interchange Diversions

    Zhou, Jian / Liu, Qingxia / Di, Shengde et al. | TIBKAT | 2021


    Designs for interchange of traffic streams

    Nash, A.M. | Engineering Index Backfile | 1947


    Traffic conflict severity analysis method used for interchange

    GU XIN / LI SHEN / XIANG QIAOJUN et al. | European Patent Office | 2016

    Free access