52 resultados para roadside safety barriers


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Federal Highway Administration, McLean Va.

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Turner-Fairbank Highway Research Center, McLean, Va.

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Turner-Fairbank Highway Research Center, McLean, Va.

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Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, McLean, Va.

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Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin

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Federal Highway Administration, Eastern Federal Lands Highway Division, Sterling, Va.

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"HRDI-04/08-05(1M)E"--P. [4] of cover.

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Federal Highway Administration, Office of Research and Development, Washington, D.C.

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Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin

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Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, McLean, Va.

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Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin

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National Highway Traffic Safety Administration, Washington, D.C.

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Texas State Department of Highways and Public Transportation, Austin