National Cooperative Highway Research Program.

• A critical review of literature treating methods of identifying aggregates subject to destructive volume change when frozen in concrete
• A critical review of literature treating methods of identifying aggregates subject to destructive volume change when frozen in concrete, and a proposed program of research
• Guidelines for selecting traffic signal control at individual intersections
• NCHRP Project
• Selected studies in transportation law
• Summary of progress through 1971
• Summary of progress through 1972
• Summary of progress through 1973
• Summary of progress through 1974
• Summary of progress through 1975
• Summary of progress through 1976
• Summary of progress through 1977