962 resultados para Railroad grade crossings.
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Mode of access: Internet.
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Federal Highway Administration, Office of Research, Development and Technology, Washington, D.C.
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Federal Railroad Administration, Office of Research and Development, Washington, D.C.
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Federal Highway Administration, Office of Research and Development, Washington, D.C.
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Mode of access: Internet.
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Federal Railroad Administration, Office of Policy and Program Development, Washington, D.C.
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"On July 30, 1998 Public Act 90-659 was signed into law requiring the Illinois Commerce Commission to publish annually a five year plan of projected safety improvements at public railroad crossings on local roads."
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"January 15, 1996."
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Cover title.
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Bibliography: p. [20]
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Federal Railroad Administration, Office of Research and Development, Washington, D.C.
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Arkansas State Highway and Transportation Department, Little Rock
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Federal Highway Administration, Traffic Systems Division, Washington, D.C.
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Federal Railway Administration, Office of Safety, Washington, D.C.
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Texas Department of Transportation, Austin