889 resultados para Crossing Traffic.
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On negative sleeve: A suggestion of warmer days ahead for winter-weary Michiganders is contained in this early spring picture, taken from the Michigan Union looking across to Alumni Memorial Hall just as students leave classes at the noon hour
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Transportation Department, Washington, D.C.
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National Highway Traffic Safety Administration, Washington, D.C.
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Federal Highway Administration, ITS Joint Program Office, Washington, D. C.
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Texas Department of Transportation, Research and Technology Transfer Office, Austin
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National Highway Traffic Safety Administration, Washington, D.C.
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Federal Highway Administration, Office of Research, Development and Technology, Washington, D.C.
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Federal Highway Administration, Washington, D.C.
The development of an improved railroad-highway grade crossing risk factor. Executive summry report.
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Ohio Department of Transportation, Columbus
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Ohio Department of Transportation, Columbus
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Transportation Department, Office of University Research, Washington, D.C.
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Federal Highway Administration, Office of Implementation, Washington, D.C.
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Federal Highway Administration, Office of Implementation, Washington, D.C.