Transit signal priority strategies : impacts and effects of various factors

dc.contributor.advisorMachemehl, Randy B.
dc.contributor.committeeMemberClaudel, Christian
dc.contributor.committeeMemberHarvey, Kristin
dc.contributor.committeeMemberHersh, Matthew
dc.contributor.committeeMemberLeite, Fernanda
dc.contributor.committeeMemberZhang, Zhanmin
dc.creatorAlrashidan, Ahmad
dc.creator.orcid0000-0002-3328-1457
dc.date.accessioned2018-10-09T15:27:46Z
dc.date.available2018-10-09T15:27:46Z
dc.date.created2018-05
dc.date.issued2018-05
dc.date.submittedMay 2018
dc.date.updated2018-10-09T15:27:46Z
dc.description.abstractA Transit Signal Priority (TSP) system’s fundamental job is to give priority to transit vehicles enabling faster passage through signalized intersections. Through a system that responds to transit vehicles approaching an intersection, green phase extension or red truncation is granted to minimize transit travel time. With emerging technologies TSP has the potential of doing so without disturbing general traffic flows. In this dissertation, an evaluation of the overall state of practice for TSP is conducted to upgrade the quality of TSP. Certain parameters were found to be significant in TSP performance, like: transit occupancies, transit arrival times, traffic volume, network capacity, system quality and green time. These multiple parameters affecting TSP performance from various studies are gathered and tested in three different cases: 1) Isolated intersection, 2) Main corridor with cross-streets and 3) Case study: Austin downtown network. This study focused on developing different TSP response scenarios to test what is the best way to handle bus requests. These scenarios represent the three TSP system types: passive, active and adaptive. By creating multiple scenarios, the goal is to develop technology that will minimize bus delays while also minimizing effects on general traffic delays.
dc.description.departmentCivil, Architectural, and Environmental Engineering
dc.format.mimetypeapplication/pdf
dc.identifierdoi:10.15781/T2416TJ3G
dc.identifier.urihttp://hdl.handle.net/2152/68738
dc.language.isoen
dc.subjectTSP
dc.subjectTransit signal priority systems
dc.subjectBus reliability
dc.titleTransit signal priority strategies : impacts and effects of various factors
dc.typeThesis
dc.type.materialtext
thesis.degree.departmentCivil, Architectural, and Environmental Engineering
thesis.degree.disciplineCivil Engineering
thesis.degree.grantorThe University of Texas at Austin
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy

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