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Coordinated Pre-Preemption of Traffic Signals to Enhance Railroad Grade Crossing Safety in Urban Areas and Estimation of Train Impacts to Arterial Travel Time Delay, Summary.
| 题名： | Coordinated Pre-Preemption of Traffic Signals to Enhance Railroad Grade Crossing Safety in Urban Areas and Estimation of Train Impacts to Arterial Travel Time Delay, Summary. |
| 作者： | Lin, P. S. |
| 关键词： | Arterial Highways; Automatic Traffic Control; Intersections; Mobility; Rail Transportation; Railroad Grade Crossings; Simulation; Traffic Congestion; Traffic Delay; Traffic Safety; Traffic Signals; Tr |
| 摘要： | In this project, University of South Florida researchers investigated using advanced features of a widely used traffic signal system management software, ATMS.now (Trafficware, Sugar Land, TX), to resolve safety and mobility problems at highway-railroad crossings and adjacent roadways. Just as preemption precedes an anticipated traffic event (in this case, closing a railroad crossing), the researchers investigated coordinated plans preceding the preemptive phase, a period they termed pre-preemption (PPE). Intervention during PPE would be triggered when a train was detected entering a designated control section. Additional green time provided at intersections would help clear vehicles from crossings before a trains arrival. PPE plans require no new hardware or infrastructure; they use only existing traffic signal system management software. |
| 报告类型： | 科技报告 |
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