ACS Lite Project Overview - Traffic Signal Systems Committee
ACS Lite Project Overview - Traffic Signal Systems Committee
ACS Lite Project Overview - Traffic Signal Systems Committee
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Time-of-Day Tuner<strong>ACS</strong> <strong>Lite</strong>TRB - Adaptive <strong>Traffic</strong> <strong>Signal</strong> Control WorkshopWashington, DCJanuary 11, 2004Slide 26• Periodically re-tune Time-of-day (TOD) plans (TBD)– Adjust cycle, offset, & splits– Changes are “permanent”– Fine-tune schedule of pattern switch times• Benefits– Avoid additional 3-5% delay/year due to changing trafficpatterns– Remain effective during controller comm. failure– Plans tailored to accommodate daily variability– Respond to seasonal changes in traffic conditionsU.S. Department of TransportationFederal Highway AdministrationFHWA Contract No.DTFH61-02-C-00047
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