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首页> 外文期刊>Transportation Research Record >Optimization for Pedestrian and Vehicular Delay in a Signal Network
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Optimization for Pedestrian and Vehicular Delay in a Signal Network

机译：信号网络中行人和车辆延迟的优化

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摘要

The efficiency of an arterial network can be enhanced by optimizing the user costs incurred because of delays and other socioeconomic factors. Until recently, research mostly focused on minimizing vehicular delay to optimize user costs. Currently, no signal coordination tool exists to balance delays to both vehicles and pedestrians. A methodology that uses known techniques and available tools to identify an optimal signal coordination plan is developed. Pedestrian delay patterns are obtained from previous research. Delay data for vehicles are based on the modeling of peak-hour traffic conditions in urbanized areas of a hypothetical city. The signal optimization software Synchro (Version 3.2) was used to investigate the variations in vehicle delay with different signal coordination plans and offsets. The results reveal that the best offsets for vehicles and pedestrians are not necessarily the same. Consequently, a signal coordination plan that would benefit both should consider the total user costs of the system. The results show that the highest total pedestrian delay can spike up the user costs more than the highest total vehicular delay. The offset that generates the optimal user cost can be different from the best offset for vehicles or pedestrians. Thus, a balance between pedestrian delay and vehicular delay can be achieved to arrive at an optimal signal coordination plan.
机译：可以通过优化由于延迟和其他社会经济因素而导致的用户成本来提高动脉网络的效率。直到最近，研究主要集中在最小化车辆延误以优化用户成本上。当前，不存在信号协调工具来平衡车辆和行人的延迟。开发了一种使用已知技术和可用工具来确定最佳信号协调计划的方法。行人延迟模式是从以前的研究中获得的。车辆的延误数据是基于虚拟城市中高峰时段交通状况的建模。信号优化软件Synchro（3.2版）用于调查具有不同信号协调计划和偏移量的车辆延迟的变化。结果表明，车辆和行人的最佳偏移量不一定相同。因此，对双方都有利的信号协调计划应考虑系统的总用户成本。结果表明，最高的总行人延误会比最高的总行车延误增加用户成本。产生最佳用户成本的偏移量可能与车辆或行人的最佳偏移量不同。因此，可以实现行人延迟与车辆延迟之间的平衡，从而获得最佳的信号协调计划。

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