MASH TL-4 Evaluation of 2019 MASH 2-Tube Bridge Rail
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2019-04-01
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Edition:Technical Report:, February 2016-March 2019
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Abstract:The purpose of the tests reported herein was to assess the performance of a new, taller Alaska MultiState 2-Tube Bridge Rail (re-designated as 2019 MASH 2-Tube Bridge Rail) according to the safety-performance evaluation guidelines included in the American Association of State Highway and Transportation Officials (AASHTO), Manual for Assessing Safety Hardware (MASH), Second Edition 2016. The crash tests performed were in accordance with MASH Test Level 4 (TL-4), which involves three tests on the 2019 MASH 2-Tube Bridge Rail. This report provides details of the 2019 MASH 2-Tube Bridge Rail, detailed documentation of the crash tests and results, and an assessment of the performance of the 2019 MASH 2-Tube Bridge Rail for MASH TL-4 evaluation criteria. The 2019 MASH 2-Tube Bridge Rail performed acceptably for MASH TL-4 longitudinal barriers.
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