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A peer-to-peer logic environment to validate flashing yellow arrow decision support system

Journal of Traffic and Transportation Engineering(English Edition) 2021年第5期8卷 735-750页

作者： Hatem Abou-Senna Essam Radwan Hesham Eldeeb Center for Advanced Transportation Systems Simulations(CATSS) Department of CivilEnvironmental and Construction Engineering(CECE)University of Central FloridaOrlandoFL 32816USA Deep Numerics LLC.OrlandoFL 32820USA

The flashing yellow arrow(FYA)signal display creates an opportunity to enhance the leftturn phase with a variable mode that can be changed on *** research develops an integrated general purpose data collection module that time stamps detector and phase state changes within a National Electrical Manufacturers Association(NEMA)actuated traffic signal controller to provide recommendations for the flashing yellow arrow left-turn mode on a cycle-by-cycle basis.115 left-turn approaches at 38 intersections with locations across the State of Florida were analyzed totaling 1370 h of video data processed including off-peak and peak *** data extraction was an essential step in developing thegap thresholds for the permissive *** intersection field data were obtained through loop detector mapping to the controller in the lab in real-time mode using a peerto-peer logic environment.A custom communications software was developed to retrieve instantaneous channel input data,synchronize opposing through green phase,analyze traffic information,provide the algorithm decision,and generate a real-time log recording the events to determine whether it would be optimal to switch the red arrow to a flashing yellow *** algorithm determines the time interval between the successive arrivals of vehicles and computes the corresponding headway for each lane by cycle on a secondby-second ***-to-peer logic is a necessary step to verify and validate new traffic concepts prior to field-testing and offers the advantage of acquiring and analyzing realtime traffic data coupled with video feed with the benefit of a safe environment.

关键词： Traffic engineering peer-to-peer logic Flashing yellow arrow Decision support system Permissive left-turn Four section head

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