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SUMMARY OF PROGRESS
PROGRESS BY PROJECT
HOW TO ORDER PUBLICATIONS AND OTHER MATERIALS
AASHTO analysis analyze application areas Asphaltic Concrete assess capacity Completed Completed Completed CompletedóPublished as NCHRP CompletedóReport not publ Completion Date congestion construction contract costs criteria detailed determine develop Effective Date engineering environmental Evaluation existing expert system factors Federal Highway Administration FHWA field following tasks Freeway Funds geosynthetics guidelines highway agencies Highway Bridges impact implementation improvements interim report intersections levels load maintenance Management manual materials ment methodology methods models NCHRP Report needed objective operations pavement performance Phase practices Prepare a final Principal Invest problems procedures Progress Through 1988 Proj proposed Published as NCHRP recommended Report not publ Research Agency Research in progress results of Tasks retroreflective revised roadside roadway safety SHRP Steel Bridges Structures submitted Summary of Progress techniques technologies tion Topic traffic control Traffic Signal Transportation Research Board Urban vehicle