985 resultados para Control devices.
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National Highway Traffic Safety Administration, Washington, D.C.
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Federal Highway Administration, Office of Implementation, Washington, D.C.
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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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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 Safety and Traffic Operations Research and Development, McLean, Va.
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Texas Department of Transportation, Austin
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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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Transportation Systems Center, Cambridge, Mass.
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Texas Department of Transportation, Austin
Traffic control guidelines for urban arterial work zones. Volume I: Executive summary. Final report.
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Texas Department of Transportation, Austin
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Part 1. Alternating-current control devices and assemblies.--Part 2. Alternating-current controllers.--Part 3. Direct-current controllers.