44 resultados para Road work zones
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Federal Highway Administration, Office of Implementation, Washington, D.C.
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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
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Federal Highway Administration, Office of Research, Washington, D.C.
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Federal Highway Administration, Office of Research, Washington, D.C.
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Federal Highway Administration, Office of Research, Washington, D.C.
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Federal Highway Administration, Office of Research, Washington, D.C.
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Federal Highway Administration, Traffic Systems Division, Washington, D.C.
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Reprinted in part from various periodicals.
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Federal Highway Administration, Office of Research and Development, Washington, D.C.
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Mode of access: Internet.
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Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, McLean, Va.