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Motorway Tidal Flow Lane Control

机译：高速公路潮流道控制

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摘要

The expansion of road infrastructure, in spite of increasing congestion levels, faces severe restrictions from all sorts: economical, environmental, social, or technical. An efficient and, usually, less expensive alternative to improve mobility and the use of available infrastructure is the adoption of traffic management. A particular case of interest occurs when inbound and outbound traffic on a given facility is unbalanced throughout the day. This scenario may benefit of a lane management strategy called tidal flow (or reversible) lane control, in which case the direction of one or more contraflow buffer lanes is reversed according to the needs of each direction. This paper proposes a simple and practical real-time strategy for efficient motorway tidal flow lane control. A state-feedback switching policy based on the triangular fundamental diagram, that requires only aggregated measurements of density, is adopted. A theoretical analysis based on the kinematic wave theory shows that the strategy provides a Pareto-optimal solution. Microsimulations using empirical data from the A38(M) Aston Expressway in Birmingham, UK, are used to demonstrate the operation of the proposed strategy. The robustness of the switching policy to parameter variations is demonstrated by parametric sensitivity analysis. Simulation results confirm an increase of motorway throughput and a smooth operation for the simulated scenarios.
机译：道路基础设施的扩展，尽管拥堵水平增加，但各种各样的严重限制：经济，环境，社会或技术。有效，通常，更便宜的替代方案来改善移动性和使用可用基础设施的使用是通过交通管理。当给定设施上的入站和出站流量全天不平衡时，发生了特定的感兴趣的情况。这种情况可能有利于称为潮流（或可逆）通道控制的车道管理策略，在这种情况下，根据每个方向的需要，将一个或多个施加缓冲泳道的方向反转。本文提出了一种简单实用的实用实际的实时策略，可实现高效的高速公路潮流道控制。采用基于三角形基础图的状态反馈切换策略，该策略仅需要仅限汇总密度的浓度。基于运动波理论的理论分析表明，该策略提供了帕累托最优解。使用来自英国伯明翰的A38（M）阿斯顿高速公路的经验数据的微观途径用于展示所提出的策略的运作。参数灵敏度分析证明了切换策略对参数变化的鲁棒性。仿真结果证实了高速公路吞吐量的增加以及模拟场景的平稳操作。

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