909 resultados para Radar air traffic control systems


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Ohio Department of Transportation, Columbus

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Federal Highway Administration, Washington, D.C.

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Federal Highway Administration, Structures and Applied Mechanics Division, Washington, D.C.

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

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"December 1989."

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Federal Energy Administration, Office of Transportation Policy and Research, Washington, D.C.

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

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Federal Highway Administration, Washington, D.C.

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

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Issued June 1978.

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Texas Department of Transportation, Austin