| Abstract: | The purpose of the testing reported herein was to assess the performance of the Texas Department of Transportation (TxDOT) W-beam guardrail with 7½-inch diameter round wood posts in concrete mow strip according to the safety-performance evaluation guidelines included in the American Association of Safety Highway and Transportation Officials Manual for Assessing Safety Hardware (MASH) for Test Level Three (TL-3) longitudinal barriers. The crash test performed was in accordance with MASH Test 3-11, which involves a 2270P vehicle impacting the TxDOT W-beam guardrail with 7½-inch diameter round wood posts in concrete mow strip at a target impact speed and impact angle of 62 mi/h and 25°, respectively. The TxDOT W-beam guardrail with 7½-inch diameter round wood posts in concrete mow strip performed acceptably for MASH Test 3-11. |
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