Large Truck–Involved Crashes: Exploratory Injury Severity Analysis
Publication: Journal of Transportation Engineering
Volume 139, Issue 6
Abstract
In recent years, a growing concern related to large truck accidents has increased owing to the level of injury severity that can be sustained and to the related potential economic impact. Current studies related to large truck–involved crashes are scarce and do not address the human factors that can greatly influence accident outcomes. This study presents an analysis of data from the fusion of several national data sets addressing injury severity related to large truck–involved crashes. This is accomplished by considering human, road environment, and vehicular factors in large truck–involved crashes on U.S. interstates. A random-parameter ordered-probit model was estimated to predict the likelihood of five injury severity outcomes—fatality, incapacitating, nonincapacitating, possible injury, and no injury. The modeling approach accounts for possible unobserved effects relating to human, vehicular, and road environment factors not present in the data. Estimation findings indicate that the level of injury severity is highly influenced by a number of complex interactions between factors, and the effects of some factors can vary across observations.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 139 • Issue 6 • June 2013
Pages: 596 - 604
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Jun 14, 2012
Accepted: Jan 9, 2013
Published online: Jan 11, 2013
Published in print: Jun 1, 2013
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