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Optimal merging into a high-speed lane dedicated to connected autonomous vehicles

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  • Davis, L.C.

Abstract

In the future, High Occupancy Vehicle (HOV) lanes or other dedicated lanes might be restricted to autonomous vehicles, e.g wirelessly connected vehicles with longitudinal motion control. These vehicles would likely travel at high speeds in platoons. New criteria for the merging of a vehicle from an adjacent freeway are proposed. To reduce disruption to the flow, only merges into gaps between platoons, not within, are considered. To minimize HOV lane trip time and vehicle deceleration, the optimal merge position is determined from simulations of linear combinations of the deviation of the headway from equilibrium and vehicle velocity differences. These are between the merging vehicle and the trailing vehicle (on the HOV lane) and the merging vehicle and the last vehicle of the preceding platoon. The merging vehicle, due to acceleration limitations on the freeway, generally will merge at a significantly lower velocity than the HOV lane average velocity.

Suggested Citation

  • Davis, L.C., 2020. "Optimal merging into a high-speed lane dedicated to connected autonomous vehicles," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 555(C).
    • Handle: RePEc:eee:phsmap:v:555:y:2020:i:c:s037843712030371x
    DOI: 10.1016/j.physa.2020.124743
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    References listed on IDEAS

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    1. Shan, Xiaonian & Hao, Peng & Boriboonsomsin, Kanok & Wu, Guoyuan & Barth, Matthew & Chen, Xiaohong, 2018. "Partially limited access control design for special-use freeway lanes," Transportation Research Part A: Policy and Practice, Elsevier, vol. 118(C), pages 25-37.
    2. Davis, L.C., 2013. "The effects of mechanical response on the dynamics and string stability of a platoon of adaptive cruise control vehicles," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(17), pages 3798-3805.
    3. Davis, L.C., 2014. "Nonlinear dynamics of autonomous vehicles with limits on acceleration," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 405(C), pages 128-139.
    4. Wang, Jing-Peng & Huang, Hai-Jun & (Jeff) Ban, Xuegang, 2019. "Optimal capacity allocation for high occupancy vehicle (HOV) lane in morning commute," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 524(C), pages 354-361.
    5. Ye, Lanhang & Yamamoto, Toshiyuki, 2018. "Impact of dedicated lanes for connected and autonomous vehicle on traffic flow throughput," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 512(C), pages 588-597.
    6. Riccardo Scarinci & Benjamin Heydecker, 2014. "Control Concepts for Facilitating Motorway On-ramp Merging Using Intelligent Vehicles," Transport Reviews, Taylor & Francis Journals, vol. 34(6), pages 775-797, November.
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    Cited by:

    1. Liu, Huaqing & Jiang, Rui, 2021. "Improving comfort level in traffic flow of CACC vehicles at lane drop on two-lane highways," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 575(C).
    2. Chen, Shuiwang & Hu, Lu & Yao, Zhihong & Zhu, Juanxiu & Zhao, Bin & Jiang, Yangsheng, 2022. "Efficient and environmentally friendly operation of intermittent dedicated lanes for connected autonomous vehicles in mixed traffic environments," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 608(P2).

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