In order to make the alignment index of the expressway coordinate with vehicle driving characteristics, this paper puts forward the concept of expressway alignment coordination evaluation based on operation speed, which can be used to recognize dangerous sections that are sensitive to speed changes. Based on domestic and foreign research, and according to the current highway project safety evaluation standard and other relevant regulations, the typical road sections of the expressway are divided by their alignment design index. In this paper, the operating speed prediction model of each typical section is put forward. A method of evaluating the alignment coordination is proposed. Finally, according to the design data of Suiyan expressway, the operating speeds of K0–K21 are predicted, and the alignment coordination of the expressway is evaluated to identify dangerous sections and put forward safety adjustment schemes.


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    Title :

    Evaluation of Expressway Alignment Coordination Based on Operating Speed: A Case Study of Suiyan Expressway


    Contributors:

    Conference:

    20th COTA International Conference of Transportation Professionals ; 2020 ; Xi’an, China (Conference Cancelled)


    Published in:

    CICTP 2020 ; 4785-4796


    Publication date :

    2020-12-09




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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