33 resultados para Variable Speed Limit
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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 and Development, Washington, D.C.
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National Highway Traffic Safety Administration, Washington, D.C.
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National Highway Traffic Safety Administration, Traffic Safety Programs, Washington, D.C.
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Reuse of record except for individual research requires license from Congressional Information Service, Inc.
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Mode of access: Internet.
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At head of title on cover: Welcome to life in Illinois.
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Cover title: Illinois traffic safety programs.
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Federal Highway Administration, Traffic Systems Division, 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, Washington, D.C.
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Texas Department of Transportation, Austin
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Includes bibliographical references.