Comparing Driver and Capacity Characteristics at Intersections With and Without Red Light Cameras

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dc.contributor.authorWeldegiorgis, Yohannes
dc.contributor.authorMishra, Sabyasachee
dc.contributor.authorJha, Manoj K.
dc.date.accessioned2019-03-14T14:20:54Z
dc.date.available2019-03-14T14:20:54Z
dc.date.issued2011
dc.description.abstractThe primary purpose of installing Red Light Cameras (RLCs) is to improve intersection safety by discouraging motorists to cross the intersection when the signal for approaching vehicles turns red. Due to the fear of being fined when crossing an RLC equipped intersection at the onset of the red signal, many approaching vehicles may have a tendency of stopping during the yellow phase. This tendency may impact intersection capacity, which can be significant in congested transportation networks during rush hours, especially when several intersections are equipped with RLCs along a sequence of traffic signals, resulting in a disruption of traffic progression. In order to examine the driver and capacity characteristics at intersections with RLCs and compare them with those without RLCs we develop a binary probit choice model to understand driver's stop and go behavior at the onset of yellow intervals, also known as dilemma zone. Further, in order to capture the impact to intersection capacity at intersections with RLCs we develop a probabilistic computational procedure using data from ten intersection pairs (with and without RLCs) in the Baltimore area. The results indicate that, in general, RLCs reduce the intersection capacity since driver's travel behavior is influenced by the presence of the cameras. Other contributory factors for the so-called capacity reduction, such as driver population (e.g., familiar vs. unfamiliar drivers) and traffic-mix (e.g., trucks vs. passenger cars) characteristics have been left for future works.en_US
dc.identifierhttps://doi.org/10.13016/6n6j-z39o
dc.identifier.urihttp://hdl.handle.net/1903/21792
dc.language.isoen_USen_US
dc.relation.isAvailableAtDigital Repository at the University of Maryland
dc.relation.isAvailableAtUniversity of Maryland (College Park, Md)
dc.rightsThis paper was peer-reviewed by TRB and presented at the 91st Annual Meeting of the Transportation Research Board, Washington, D.C., January 2012
dc.subjectTransportationen_US
dc.subjectRed Light Cameraen_US
dc.subjectRed Light Runningen_US
dc.subjectDilemma Zoneen_US
dc.subjectIntersection Capacityen_US
dc.subjectDriver Characteristicsen_US
dc.subjectCapacity Characteristicsen_US
dc.titleComparing Driver and Capacity Characteristics at Intersections With and Without Red Light Camerasen_US
dc.typeArticleen_US

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