?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%2F39474%2F&rft.title=Revising+Concept+of+Resonant+Cycle+Length+and+Investigation+of+Resonant+Signal+Timing+Plans&rft.creator=Yang%2C+Yifei&rft.description=The+most+difficult+part+of+designing+optimal+traffic+signal+timings+is+selection+of+an+appropriate+cycle+length.+In+recent+years%2C+a+new+concept+called+%E2%80%9Cresonant+cycle%E2%80%9D+has+been+introduced+by+several+researchers+referring+to+a+particular+cycle+length+that+provides+good+performance+on+two-way+arterial+streets+for+a+wide+range+of+traffic+flows.+However%2C+an+attempt+to+define+a+resonant+cycle+length+is+a+difficult+task+on+its+own+as+it+has+ambiguous+connotation+and+inconsistent+meaning+to+various+scholars.+Two+major+schools+of+thought+are%3A+resonant+cycles+serve+either+to+provide+good+progression+only+for+coordinated+movements+or+they+provide+good+conditions+for+all+movements+(equally+prioritizing+traffic+on+main+street+and+side+street).+This+research+addresses+inconsistencies+in+definitions+and+ambiguity+of+the+meaning+of+resonant+cycle+length+by+introducing+a+new+concept+called+Resonant+Signal+Timing+Plan+(RSTP)+that+%2C+besides+cycle+length%2C+considers+that+the+entire+set+of+signal+timings+(splits%2C+offsets%2C+etc.)+needs+to+be+%E2%80%9Cresonant%E2%80%9D%2C+or+work+well+with+a+range+of+traffic+volumes.+To+investigate+the+existence+of+such+an+RSTP%2C+a+methodology+was+developed+to+test+a+number+of+signal+timing+optimization+scenarios.+Each+of+the+tested+signal+timing+plans+was+evaluated+on+overall+network+level+(all+movements)+and+main-corridor+level+(coordinated+movements+only).+The+results+of+evaluations+on+network+level+reveal+no+existence+of+the+RSTP%3B+each+candidate+RSTP+could+provide+decent+performance+only+for+a+few+hours+of+similar+traffic+demands.+Similarly%2C+the+corridor-level+evaluation+did+not+find+any+RSTP+either+as+conditions+differ+significantly+for+traffic+in+inbound+and+outbound+directions.&rft.date=2020-09-27&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%2F39474%2F1%2Fyangyf_etdPitt2020.pdf&rft.identifier=++Yang%2C+Yifei++(2020)+Revising+Concept+of+Resonant+Cycle+Length+and+Investigation+of+Resonant+Signal+Timing+Plans.++Master's+Thesis%2C+University+of+Pittsburgh.++++(Unpublished)++