976 resultados para safer speeds
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Texas Department of Transportation, Austin
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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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Texas Department of Transportation, Austin
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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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Mode of access: Internet.
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Peter Norbeck, chairman.
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Mode of access: Internet.