by United States. Dept. of Transportation.
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A revised estimate of the cost of comple...
U.S. Department of Transportation
Two-year report on the Northeast Corrido...
The status of the nation's highways
The double-nickel challenge race to the ...
Railroad abandonments and alternatives
Tax administration
Performance characteristics of automotiv...
Compilation of selected energy-related l...
Energy and U.S. Agriculture
Automobile and light truck fuel economy