958 resultados para guard-rail
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Prepared by Enviro Control, Inc.
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Final report; June 1978.
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"May 1978."
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Shipping list no.: 93-0522-P.
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National Highway Traffic Safety Administration, Washington, D.C.
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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 Highway Administration, Office of Research and Development, Washington, D.C.
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Mode of access: Internet.
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Suspended J1.1, 1921-Jan. 1, 1922.
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Federal Railroad Administration, Office of Safety, Washington, D.C.
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Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, McLean, Va.
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Transportation Department, Office of Environmental Affairs, Washington, D.C.
Evaluation of rail rapid transit and express bus service in the urban commuter market. Final report.
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Transportation Department, Office of Transportation Planning Analysis, Washington, D.C.
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Federal Railroad Administration, Office of Safety, Washington, D.C.