565 resultados para R4 - Transportation Systems
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Federal Highway Administration, Washington, D.C.
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Texas Department of Transportation, Austin
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National Highway Safety Bureau, Washington, D.C.
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Texas Department of Transportation, Austin
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Final report; May 1978.
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Final report; March 1978.
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Federal Highway Administration, Office of Enforcement and Emergency Services, Washington, D.C.
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Federal Highway Administration, Office of Enforcement and Emergency Services, Washington, D.C.
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Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin
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Federal Highway Administration, Structures and Applied Mechanics Division, Washington, D.C.
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"December 1995."
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"B-241021"--P. l.
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" ... contribution to North Central Project NC-137, 'Effect of changes in transportation on performance of the U.S. Agricultural Transportation System, 'and to Southern Regional Project S-176 Interregional marketing systems for grains and soybeans.'"--P. iii.
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Urban Mass Transportation Administration, Washington, D.C.
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Federal Highway Administration, Washington, D.C.