Guardrail End-Types, Vehicle Weights, and Accident Severities
Publication: Journal of Transportation Engineering
Volume 122, Issue 3
Abstract
A study of guardrail end accidents on the Oklahoma State Highway System (1988–91) examined the severity of exposed and turned-down guardrail end accidents in relation to the type of end, vehicle weight, and vehicle rolling and/or vaulting. The data showed that lightweight vehicles and turned-down ends were associated with increased rolling and/or vaulting. Rolling and/or vaulting was associated with increased accident severity. A direct interaction among end-type, vehicle weight, and accident severity was not present; however, the interaction among end-type, vehicle weight, and rolling/vaulting was statistically significant. In terms of the resulting injury and death, the overall performance of the turned-down ends was no better than the exposed ends that they had replaced.
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References
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 122 • Issue 3 • May 1996
Pages: 210 - 214
Copyright
Copyright © 1996 American Society of Civil Engineers.
History
Published online: May 1, 1996
Published in print: May 1996
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