88 resultados para Traffic Speed Change.
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Federal Highway Administration, Office of Safety and Traffic Operations, Washington, D.C.
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Federal Highway Administration, Washington, D.C.
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Mode of access: Internet.
Effectiveness of changeable message signs in controlling vehicle speeds in work zones. Final report.
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Virginia Department of Transportation, Richmond
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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.
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Texas Department of Transportation, Research and Technology Transfer Office, Austin
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Mode of access: Internet.
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Mode of access: Internet.
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Cover title: Illinois traffic safety programs.
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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.
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Transportation Department, Office of Systems Engineering, 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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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.
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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.