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Efficiency and Safety Evaluation of Left-turn Vehicles and Crossing Pedestrians in Signalized Intersections under the Autonomous Vehicle Mixed Flow Condition

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Abstract

Field experiments of autonomous vehicles (AVs) have been conducted in many countries. However, efficiency evaluation of AV mixed flow and safety evaluation of conflicts between AVs and pedestrians in the real-world case are still limited. This study aims at evaluating the efficiency and safety of left-turn (LT) vehicles and pedestrians in signalized intersections, under the condition of AV mixed flow, by developing a simulation model. Post Encroachment Time (PET) and LT capacity were obtained. Further, gap/lag acceptance behavior and reaction time of LT vehicles were found to be critical parameters that affect efficiency and safety evaluations.

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Acknowledgements

This work was supported by JSPS KAKENHI Grant-in-Aid for Scientific Research (B) and Young Scientists, Grant Number 19H02261 and 19K15111, respectively. The authors are very grateful for their support.

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Authors and Affiliations

  1. Graduate School of Environmental Studies, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan

    Ang Pan, Xin Zhang, Miho Iryo-Asano & Hideki Nakamura

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  1. Ang Pan
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  2. Xin Zhang
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  3. Miho Iryo-Asano
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  4. Hideki Nakamura
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Correspondence to Ang Pan.

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Pan, A., Zhang, X., Iryo-Asano, M. et al. Efficiency and Safety Evaluation of Left-turn Vehicles and Crossing Pedestrians in Signalized Intersections under the Autonomous Vehicle Mixed Flow Condition. Int. J. ITS Res. 20, 103–116 (2022). https://doi.org/10.1007/s13177-021-00276-z

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  • DOI: https://doi.org/10.1007/s13177-021-00276-z

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