The study explored using hard shoulders for congestion caused by accidents. The shoulder could serve as managed lanes to alleviate congestion or allow emergency vehicles to pass. Results show that congestion would be much more severe with hard shoulders functioning as emergency lanes compared as additional lanes, while the efficiency of accident handling would be slightly better. Meanwhile, handling accidents promptly is critical for safety and for alleviating traffic congestion. For a comprehensive consideration, it is recommended that after rescue vehicles have arrived at the accident location, the hard shoulder could be used as an additional lane to alleviate the congestion. The mobility could be increased with the proper use of hard shoulders.


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    Title :

    Analyzing Hard Shoulder Function of a Four-Lane Expressway for Congestion Caused by an Accident


    Contributors:
    Li, Wei (author) / Shui, Dazhou (author) / Luo, Zhongxiang (author) / Ma, Jin (author) / Shi, Ze (author) / Wang, Baishi (author)

    Conference:

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


    Published in:

    CICTP 2021 ; 926-937


    Publication date :

    2021-12-14




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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