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首页> 外文期刊>Transportation Research Part B: Methodological >A model of pedestrians' intended waiting times for street crossings at signalized intersections
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A model of pedestrians' intended waiting times for street crossings at signalized intersections

机译：行人预计在信号交叉口过街的等待时间的模型

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摘要

For the purposes of both traffic-light control and the design of roadway layouts, it is important to understand pedestrian street-crossing behavior because it is not only crucial for improving pedestrian safety but also helps to optimize vehicle flow. This paper explores the mechanism of pedestrian street crossings during the red-man phase of traffic light signals and proposes a model for pedestrians' waiting times at signalized intersections. We start from a simplified scenario for a particular pedestrian under specific traffic conditions. Then we take into account the interaction between vehicles and pedestrians via statistical unconditioning. We show that this in general leads to a U-shaped distribution of the pedestrians' intended waiting time. This U-shaped distribution characterizes the nature of pedestrian street-crossing behavior, showing that in general there are a large proportion of pedestrians who cross the street immediately after arriving at the crossing point, and a large proportion of pedestrians who are willing to wait for the entire red-man phase. The U-shaped distribution is shown to reduce to a J-shaped or L-shaped distribution for certain traffic scenarios. The proposed statistical model was applied to analyze real field data.
机译：出于交通信号灯控制和道路布局设计的目的，了解行人过街行为非常重要，因为这不仅对提高行人安全性至关重要，而且有助于优化车辆流量。本文探讨了交通信号灯红人阶段人行横道的形成机理，并提出了信号交叉口行人等待时间的模型。我们从特定交通条件下特定行人的简化场景开始。然后，我们通过统计无条件考虑车辆和行人之间的相互作用。我们表明，这总体上导致行人预期的等待时间呈U形分布。这种U形分布表征了行人过街行为的性质，表明通常有很大一部分行人在到达过境点后立即过马路，并且很大一部分行人愿意等待整个红人阶段。对于某些交通场景，U形分布显示为减少为J形或L形分布。所提出的统计模型被用于分析实地数据。

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