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1962 Developments 77 pp 1
Current Road Problems 94R Current Practices for Highway Snow and Ice Control
Special Report 72 Planning in Highway Administration Proceedings of a Conference
AASHO AASHO Road Test aerial aggregate air ions aluminum American Automobile Association asphalt asphaltic concrete bridge Bureau of Public cement Chairman Civil Engineering clay Committee compaction construction Contact prints Cornell Aeronautical Laboratory cost County court density Department of Highways determine Director Division drivers economic equipment evaluation existing factors Federal freeway Highway Commission Highway Department highway engineering highway planning Highway Research Board improvement kaolinite laboratory land maintenance maps material measure methods Metropolitan mixture National operation owners pavement percent performance phosphate phosphoric acid phosphorus pentoxide photogrammetric photographic mosaics Portland Cement problem procedures Project Public Roads Research Agency Right-of-Way road test roadway route sand Soil Stabilization specific Sponsor street strength Structures sulfuric acid surface survey thin bituminous concrete tion Traffic Engineering U. S. Bureau University Urban Transportation vehicles Washington