Adaptive Traffic Control Systems: Domestic and Foreign State of Practice (2010) / Chapter Skim
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Pages 5-9
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From page 5... ...
However, some of these new ATCSs abandoned conventional signal timing structures constrained by cycle lengths and offsets and, instead, offered new approaches that were mostly based on various techniques of mathematical programming: OPAC (Optimization Policies for Adaptive Control) (Gartner 1982)
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Two major characteristics make German ATCSs distinctive: they attempt to address optimization of traffic signals based on network-wide changes in traffic demand by taking into consideration the estimated origin–destination flows in the network, and their logics are adjusted to work with German industry standards for local traffic controllers and public transit priority. To summarize, ATCSs have been used since the early 1980s.
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The ATCS vendors were requested to provide descriptions of the adaptive logic, hardware and software requirements, system architecture, detection requirements, and other special features of their systems. Most of the ATCS developers and vendors responded by identifying key studies that best describe their systems.
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Deployments International Deployments City of Longview, TX W.E. Stilson Consulting Group, LLC, Columbus, OH City of Little Rock, AR California Department of Transportation -- District 7, CA Culver City, CA Los Angeles Department of Transportation, CA City of Chesapeake, VA Town of Cary, NC Virginia Department of Transportation, VA Pinellas County, FL City of Tucson, AZ Washington State DOT, WA City of Chula Vista, CA City of Gresham, OR City of Menlo Park, CA City of Santa Rosa, CA City of Sunnyvale, CA Cobb County, GA Delaware Department of Transportation, DE Florida DOT District 4, FL Minnesota Department of Transportation, MN Pasco County, FL Road Commission for Oakland County, MI Utah Department of Transportation, UT City of Anaheim, CA City of Ann Arbor, MI Collier County, FL Orange County, FL Reedy Creek Improvement District, FL Short Elliott Hendrickson Inc., MN Econolite Canada Inc., Canada Dublin City Council, Ireland New Zealand Transport Agency, Auckland, NZ RTA, New South Wales, Sydney, Australia UOCT, Concepcion, Chile VicRoads, Victoria, Australia City of Blackpool Council, UK City of Red Deer, Canada City of Southampton, UK City of Toronto, Canada Derby City Council, UK Greater Manchester Urban Traffic Control Unit, Halifax Regional Municipality, Canada Hampshire County Council, UK I Mo TS Siemans Ltd., Beijing, China ACS Lite ACS Lite InSync LA ATCS LA ATCS LA ATCS OPAC OPAC OPAC OPAC, RHODES RHODES RHODES SCATS SCATS SCATS SCATS SCATS SCATS SCATS SCATS SCATS SCATS SCATS SCATS SCOOT SCOOT SCOOT SCOOT SCOOT SCOOT RHODES SCATS SCATS SCATS SCATS SCATS SCOOT SCOOT SCOOT SCOOT SCOOTS SCOOTS SCOOTS SCOOTS SCOOTS TABLE 1 AGENCIES PARTICIPATING IN SURVEY
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From page 9... ...
Chapter two deals with the operational background of the interviewed agencies and environments in which their ATCSs work. Chapter three summarizes some of the working principles of major ATCSs deployed worldwide as well as their hardware and software requirements and operational benefits.
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