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1988 Completed—Published 20-6 Supplement AASHTO Administration Agency final report agency report avail Aggregates Analysis Areas Proj Asphaltic Concrete Bridge Decks Bridges Proj Completed—Publication decision pending Completed—Published as NCHRP Completed—Report included Completed—Report not publ Concrete Bridge Concrete Pavements Concrete Proj Conn Criteria DATE PROJECT STATUS Department of Transportation Design Development Engineering Environmental Evaluation EXAMPLES OF UTILIZATION Fatigue FHWA Flexible Pavement Freeway Guidelines highway and transportation Highway Bridges Highway Capacity Highway Construction Hwys Improved included in NCHRP latest Summary Manual Materials Methods months Contract pending NCHRP Report NCHRP Research Results Noise Noise Barriers Pavements Proj Performance problems Procedures Progress Through 1988 Published as NCHRP Report not publ Report Proj Research in progress Research Results Digest riprap Safety Structures Studded Tires Summary of Progress Sw Research Inst Synthesis Systems Proj TABLE 3 Continued Techniques Test Texas Topic Traffic Control Traffic Signal Transportation Planning Transportation Research Board Urban UTILIZATION OF NCHRP Vehicle