A multinomial-logit ordered-probit model for jointly analyzing crash avoidance maneuvers and crash severity

Publication: ResearchConference abstract for conference – Annual report year: 2012

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Effective crash avoidance maneuvers in response to critical unexpected traffic events provide the opportunity to avoid crash occurrence and to minimize crash severity. The current study employs a joint multinomial-logit ordered-probit model (MNL-OR) for associating crash severity with drivers' propensity to engage in various corrective maneuvers in the case of the critical event of vehicle travelling. Five lateral and speed control maneuvers are considered: “braking”, “steering”, “braking & steering”, and “other maneuvers”, in addition to a “no action” option. The analyzed data are retrieved from the United States National Automotive Sampling System General Estimates System (GES) crash database for the years 2005-2009. Results show (i) the correlation between crash avoidance maneuvers and crash severity, and (ii) the link between drivers' attributes, risky driving behavior, road characteristics and environmental conditions, with the propensity to engage in crash avoidance maneuvers and crash severity.
Original languageEnglish
Publication date2012
Number of pages1
StatePublished

Conference

Conference10th Transport Engineering Conference
CountrySpain
CityGranada
Period20/06/1222/06/12

Keywords

  • Crash avoidance maneuvers, MNL-OR, Crash severity
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