973 resultados para Toll roads.


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

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Federal Highway Administration, Washington, D.C.

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"PN-AAJ-607"--Cover.

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Rocq

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Caption title: Why wagon roads in the United States are bad and how they can be improved.

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Virginia Department of Transportation, Richmond

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Federal Highway Administration, Safety Design Division, 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, Office of Research, Washington, D.C.

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