684 resultados para Transportation Research Activity Information Service, Washington, D.C.
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Mode of access: Internet.
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"B-260033"--P. 1.
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"GAO-03-725."
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Mode of access: Internet.
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Texas Department of Transportation, Austin
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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Ohio Department of Transportation, Columbus
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Arizona Department of Transportation, Phoenix
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Texas Department of Transportation, Austin
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Cover title.
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Federal Highway Administration, Office of Research, Development and Technology, Washington, D.C.
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Federal Transit Administration, Washington, D.C.
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Federal Highway Administration, Office of Research, Development and Technology, Washington, D.C.
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Indiana Department of Transportation, Indianapolis
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Federal Railroad Administration, Office of Research, Development and Demonstrations, Washington, D.C.