235 resultados para road traffic control
Resumo:
"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 Safety and Traffic Operations Research and Development, McLean, Va.
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"EDL# 13795."
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"FHWA-HOP-05-013"--P. [4] of cover.
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"FHWA-OP-05-012"--P. [4] of cover.
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Federal Highway Administration, ITS Joint Program Office, Washington, D. C.