?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F20954%2F&rft.title=The+Impact+of+Pedestrian+Activities+in+Adaptive+Traffic+Signal+Control+System+Operations&rft.creator=Hu%2C+Yuan&rft.description=This+research+has+explored+how+the+presence+of+pedestrians+can+influence+Adaptive+signal+Control+Technology+(ASCT)+system+performance.+The+research+focused+on+an+example+case%3A+the+SURTRAC+(Scalable+Urban+Traffic+Control)+system%2C+an+ASCT+system+developed+by+Carnegie+Mellon+University%2C+which+is+currently+operating+a+9-intersection+grid+road+network+in+the+East+Liberty+section+of+Pittsburgh%2C+Pennsylvania.+%0D%0AThe+Trafficware+program+Synchro+was+used+to+simulate+the+operations+of+the+system+under+four+scenarios+by+inputting+traffic+volume+collected+and+timing+plans+utilized+in+real-time+by+SURTRAC.+Adaptive+traffic+control+selected+timings+and+operations+with+pedestrian+actuations+were+compared+to+conditions+without+pedestrian+actuation.+Also+the+performance+of+the+conventional+time-of-day+timing+plans%2C+prior+to+installation+of+SURTRAC%2C+with+and+without+pedestrian+intervals+was+compared.+%0D%0AThe+purpose+of+this+research+was+to+determine+the+impact+of+pedestrian+calls+on+ASCT+systems+and+to+provide+potential+guidelines+for+the+appropriate+level+of+pedestrian+activity+that+can+be+accommodated+during+the+planning+phase+of+ASCT+project+development.+It+could+also+be+used+as+a+tool+to+determine+how+pedestrian+activity+may+impact+system+performance.+The+research+results+will+help+traffic+and+system+developers+to+develop+better+optimization+methods+for+ASCT+systems+to+consider+pedestrian+delays.%0D%0A&rft.date=2014-06-16&rft.type=University+of+Pittsburgh+ETD&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F20954%2F4%2FHuy_etd2014.pdf&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F20954%2F5%2FASCT_with_Ped_at_Saturday_Shopping_Peak_Hour.pdf&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F20954%2F6%2FASCT_without_Ped_at_Saturday_Shopping_Peak_Hour.pdf&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F20954%2F7%2FTOD_with_Ped_at_Saturday_Shopping_Peak_Hour.pdf&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F20954%2F8%2FTOD_without_Ped_at_Saturday_Shopping_Peak_Hour.pdf&rft.identifier=++Hu%2C+Yuan++(2014)+The+Impact+of+Pedestrian+Activities+in+Adaptive+Traffic+Signal+Control+System+Operations.++Master's+Thesis%2C+University+of+Pittsburgh.++++(Unpublished)++