Heavy truck rear underride protection.

Author(s)
Elias, J.C. & Monk, M.W.
Year
Abstract

In January 1992 the National Highway Traffic Safety Administration (NHTSA) issued an SNPRM (Supplemental Notice of Proposed Rulemaking) on heavy truck rear underride protection. A new proposal requires that static testing of a potential guard design be performed on a rigid static fixture. The Vehicle Research and Test Center (VRTC) has initiated a program to develop and evaluate the effectiveness of a rear guard design which minimally meets the requirements of the 1992 SNPRM. VRTC developed a rigid static test device and successfully fabricated a minimally compliant guard design. A number of additional guards were fabricated and tested to evaluate the repeatability of the design. A rigid simulated trailer was developed to mount the guard for dynamic testing. Two sub-compact and two compact vehicle models were selected for crash testing to evaluate the effectiveness of the minimally compliant guard design in preventing rear underride injuries. Tests were conducted using the simulated trailer and an actual tractor trailer. An additional crash test was performed with a rigid guard configuration to compare with the results of the minimally compliant design. (A)

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Publication

Library number
C 8777 [electronic version only] /91 /
Source

Washington, D.C., U.S. Department of Transportation DOT, National Highway Traffic Safety Administration NHTSA, 1993, VIII + 125 p., 3 ref.; DOT HS 808 081

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