Highlights Fundamental diagram over a wide range of possible traffic states. S-shaped three-parameter (S3) traffic flow model. Microscopic car-following model consistent with S3 model. Calibration with real-world traffic data.

    Abstract In this study, a new s-shaped three-parameter (S3) traffic flow model is proposed to represent the relationships between three fundamental variables (i.e., flow, speed, and density) in highway traffic. An s-shaped speed-density function is proposed to capture the speed-density relationship under a wide range of possible densities. A consistent car-following model was derived in terms of the proposed s-shaped speed-density function. Both the S3 macroscopic model and the derived microscopic car-following model were calibrated using real-world traffic data.


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    Titel :

    An s-shaped three-parameter (S3) traffic stream model with consistent car following relationship


    Beteiligte:
    Cheng, Qixiu (Autor:in) / Liu, Zhiyuan (Autor:in) / Lin, Yuqian (Autor:in) / Zhou, Xuesong (Simon) (Autor:in)


    Erscheinungsdatum :

    2021-09-06


    Format / Umfang :

    26 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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