Estimating the impact of incidents on urban controlled-access highways: an empirical analysis

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dc.contributor.authorGrange, Louis de
dc.contributor.authorTroncoso, Rodrigo
dc.contributor.authorOdeh, Nicolás
dc.contributor.authorGonzález, Felipe
dc.date.accessioned2017-01-24T18:57:53Z
dc.date.available2017-01-24T18:57:53Z
dc.date.issued2017
dc.description.abstractAn empirical analysis is developed that quantifies the impact of different types of traffic incidents on the speed and maximum flow averages of vehicles on a controlled-access highway. The incident types considered include damage to highway infrastructure, vehicle rollover, crashes (into stationary objects), collisions (with moving vehicles), rain, fog, vehicle breakdowns, pedestrians on roadway, etc. Using real-world data from Chile’s most heavily used urban motorway/freeway, estimates of incident impacts on speed are generated using a multiple linear regression model incorporating instrumental variables to correct for endogeneity. Flow results are then generated using the fundamental traffic equation relating speed, flow and density. A ranking of the impacts on highway traffic of the different incident types based on incident frequency as well as impact size demonstrates that for the real case studied, the incidents with the greatest cumulative effect are (in order of magnitude) vehicle breakdown, collisions and rain.
dc.identifier.citationLouis de Grange & Rodrigo Troncoso & Nicolás Odeh & Felipe González, 2017. "Estimating the impact of incidents on urban controlled-access highways: an empirical analysis," Applied Economics, Taylor & Francis Journals, vol. 49(18), pages 1763-1773, April.
dc.identifier.urihttp://hdl.handle.net/11447/955
dc.identifier.urihttp://dx.doi.org/10.1080/00036846.2016.1226489
dc.language.isoen_US
dc.subjectTraffic incidents
dc.subjectDensity
dc.subjectSpeed
dc.subjectMaximum flow
dc.subjectHighway capacity
dc.subjectAccidents
dc.subjectVehicle breakdown
dc.subjectCollision
dc.subjectRain
dc.subjectInstrumental variables
dc.subjectEndogeneity
dc.titleEstimating the impact of incidents on urban controlled-access highways: an empirical analysis
dc.typeArtículo

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