History of Bureau; Federal aid highway systems; classes of road construction supervised by Bureau; research; Bureau organization; apportionment of Federal funds; inspection by Bureau engineers; highway planning surveys.
United States Bureau of Public roads
Roads Streets
Roads and Streets ; 82 , n 5
1939
Aufsatz (Zeitschrift)
Englisch
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Bureau of Public Roads Highway Statistics, 1950
NTIS | 1952
Physical research by Bureau of Public Roads
Engineering Index Backfile | 1935
Bureau of Public Roads Highway Statistics, 1955
NTIS | 1955
Bureau of Public Roads Highway Statistics, 1954
NTIS | 1954
Bureau of Public Roads Highway Statistics, 1963
NTIS | 1963