Highlights A multilevel simulation platform for behavior analysis of freeway merging. Safety implications were identified in two different scenarios. Ramp-metering was found to reduce freeway-merging conflict probabilities. Participants were mostly unaffected by 3D-motion sickness during VR simulation.

    Abstract Introduction: This research aims to investigate the perceptions and reactions of drivers regarding freeway merging situation, utilizing a new approach with the basis of a multilevel simulation platform which incorporates virtual reality (VR) technology. Methods: A VR driving environment integrated with traffic micro-simulation was developed to evaluate driving behaviors and the impact of merging decisions in terms of traffic conflicts. The driving experiments were conducted under a variety of circumstances, including varying traffic flows and the presence of ramp metering. The Surrogate Safety Assessment Model (SSAM) was utilized to extract the number of conflicts from the micro-simulation results. Results: The final results indicated that the probability of conflict has a positive correlation with traffic flow, while conflict frequency at freeway merges is affected by the presence of ramp metering due to its potentiality to enhance driver decisions and reduce the drivers’ pressure when they make maneuvers. Practical Applications: The findings reveal that the proposed VR simulation platform is a useful tool to improve the safety of freeway merging. It has the potential to enhance driver skills and can also be used in the study of human–machine interaction.


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    Titel :

    Studying freeway merging conflicts using virtual reality technology


    Beteiligte:
    Xu, Zheng (Autor:in) / Zou, Xin (Autor:in) / Oh, Taeho (Autor:in) / Vu, Hai L. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2020-11-10


    Format / Umfang :

    14 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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