155 resultados para work zone traffic control
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"No. 12."
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"Adopted March 1990."
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"March 10, 2011."--cover letter.
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Item 1005-C
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"23 November 1983."
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"June 1979."
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"18 January 1983."
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"23 November 1983."
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"27 December 1985."
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"For release ... May 25, 1989."
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Mode of access: Internet.
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"Meteorological study sponsored by Air Navigation Development Board under Contract Cwb-8175 with the U.S. Weather Bureau."
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Cover title.
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Mode of access: Internet.
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Federal Highway Administration, Office of Research, Washington, D.C.