212 resultados para Highway systems
Resumo:
National Highway Traffic Safety Administration, Washington, D.C.
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Federal Railroad Administration, Office of Safety, Washington, D.C.
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National Highway Traffic Safety Administration, Washington, D.C.
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Mode of access: Internet.
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Mode of access: Internet.
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Turner-Fairbank Highway Research Center, McLean, Va.
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National Highway Traffic Safety Administration, Washington, D.C.
Resumo:
National Highway Traffic Safety Administration, Washington, D.C.
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Texas Department of Transportation, Austin
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Federal Highway Administration, Washington, D.C.
Resumo:
National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.
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National Highway Traffic Safety Administration, Washington, D.C.
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Mode of access: Internet.
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Texas Department of Transportation, Austin
Resumo:
Texas Department of Transportation, Austin