26 resultados para Crossing Traffic.
em University of Michigan
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Federal Highway Administration, Washington, D.C.
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Mode of access: Internet.
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Mode of access: Internet.
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Texas Department of Transportation, Austin
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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.
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Federal Highway Administration, Traffic Systems Division, Washington, D.C.
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Federal Railroad Administration, Office of Policy and Program Development, Washington, D.C.
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Mode of access: Internet.
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Federal Railroad Administration, Office of Research and Development, Washington, D.C.
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National Highway Traffic Safety Administration, Washington, D.C.
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National Highway Traffic Safety Administration, Washington, D.C.
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National Highway Traffic Safety Administration, Washington, D.C.
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Transportation Systems Center, Cambridge, Mass.
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Transportation Systems Center, Cambridge, Mass.
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Bibliography: p. [20]