898 resultados para PD control
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Federal Highway Administration, Office of Research, Washington, D.C.
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Indiana Department of Transportation, Indianapolis
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Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin
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Transportation Department, Office of University Research, Washington, D.C.
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Bibliography: p. 47-58.
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Mode of access: Internet.
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Federal Highway Administration, Office of Research, Washington, D.C.
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Texas Department of Transportation, Austin
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"June 1987."
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"September 1988."
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Mode of access: Internet.
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Shipping list no.: 2000-0347-P.
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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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National Highway Traffic Safety Administration, Washington, D.C.