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首页> 外文期刊>Transportation Research Procedia >Reducing Gridlock Probabilities via Simulation-based Signal Control
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Reducing Gridlock Probabilities via Simulation-based Signal Control

机译:通过基于仿真的信号控制降低Gridlock概率

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This paper studies a fixed-time signal control problem for a highly congested urban network with multimodal traffic, numerous signalized intersections, short links and a grid-type topology. The design of signal plans that indeed improve traffic conditions for a network with such complex traffic dynamics is a real challenge. In this paper, we propose a simulation-based approach. We use a simulation-based optimization algorithm to identify a signal plan for an area in eastern Manhattan (New York City, USA), where spillbacks frequently occur and impact the flows on major arterials as well as on the access/egress to the highly congested Queensboro Bridge. We consider a signal control problem where the objective function explicitly considers queue-length information. We compare the performance of the proposed signal plan to that of the prevailing signal plan in the field. The proposed plan indeed improves traffic conditions as measured by a variety of performance metrics.
机译:本文研究了高度拥挤的城市网络的固定时间信号控制问题,该网络具有多式联运,大量信号交叉口,短链接和网格型拓扑。真正改善具有如此复杂的通信量动态变化的网络的通信量条件的信号计划的设计是一个真正的挑战。在本文中,我们提出了一种基于仿真的方法。我们使用基于仿真的优化算法来确定曼哈顿东部地区(美国纽约市)的信号计划,在该地区经常发生溢出,并影响主要动脉以及进入/离开高度拥挤区域的流量皇后区大桥。我们考虑一个信号控制问题,其中目标函数明确考虑队列长度信息。我们将提议的信号计划的性能与现场主要信号计划的性能进行比较。提议的计划确实改善了各种性能指标所衡量的交通状况。

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