Traffic Adaptive Offset-Based Preemption for Emergency Vehicles

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dc.contributor.authorKamalanathsharma, Raj Kishoreen
dc.contributor.committeechairHancock, Kathleen L.en
dc.contributor.committeememberAbbas, Montasir M.en
dc.contributor.committeememberRakha, Hesham A.en
dc.contributor.departmentCivil Engineeringen
dc.date.accessioned2014-03-14T20:43:21Zen
dc.date.adate2010-08-17en
dc.date.available2014-03-14T20:43:21Zen
dc.date.issued2010-08-10en
dc.date.rdate2010-08-17en
dc.date.sdate2010-08-12en
dc.description.abstractThis research analyzed and evaluated a new strategy for preemption of emergency vehicles along a corridor, which is route-based and adaptive to real-time traffic conditions. The method uses dynamic offsets which are adjusted using congestion levels to provide uninterrupted preempted green signal for the emergency vehicle throughout its route. By achieving a higher average emergency vehicle speed, this method promises faster emergency response which results in saving life and property as well as larger emergency service radius for the dispatch stations. The research evaluated the effectiveness of two possible algorithms for offset adjustment using measured vehicle queues. It is showed to reduce the emergency vehicle travel-time by 31 percent when compared to cases without preemption and 13 percent when compared to traditional method of individual-intersection preemption.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-08122010-124251en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-08122010-124251/en
dc.identifier.urihttp://hdl.handle.net/10919/34498en
dc.publisherVirginia Techen
dc.relation.haspartKamalanathsharma_RK_T_2010.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjecttraffic adaptiveen
dc.subjectpreemptionen
dc.subjectpriorityen
dc.subjectintersection queuesen
dc.titleTraffic Adaptive Offset-Based Preemption for Emergency Vehiclesen
dc.typeThesisen
thesis.degree.disciplineCivil Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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