933 resultados para Speed Bumps.


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

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Mode of access: Internet.

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Federal Highway Administration, Traffic Systems Division, Washington, D.C.

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Includes bibliographical references.

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

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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.

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Federal Highway Administration, Environmental Division, Washington, D.C.

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

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"First printing, October, 1939."

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Texas Department of Transportation, Austin

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

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