136 resultados para Traffic signs and signals.
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"May 1982."
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Federal Highway Administration, Office of Research, Washington, D.C.
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Oklahoma Department of Transportation, Oklahoma City
Relative visibility of increased legend size vs. brighter materials for traffic signs. Final report.
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Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, McLean, Va.
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Mode of access: Internet.
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Mode of access: Internet.
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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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Mode of access: Internet.
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National Highway Traffic Safety Administration, Washington, D.C.
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Transportation Department, Office of Systems Engineering, Washington, D.C.
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Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin