Targeted Overlay Pavement Solutions (TOPS): Crack Attenuating Mix

Federal Highway Administration2021PDFBriefUnited States. Federal Highway Administration. Office of Preconstruction, Construction, and PavementsUnited States. Department of Transportation. Federal Highway AdministrationAschenbrener, T.United States. Department of Transportation. Federal Highway AdministrationUnited StatesOverlays (Pavements)Asphalt pavementsPreservationCrackingAdmixturesFHWA-HIF-21-002Solutions for integrating innovative overlay procedures into practices that can improve performance, lessen traffic impacts, and reduce the cost of pavement ownership. Approximately half of all infrastructure dollars are invested in pavements, and more than half of that investment is in overlays. By enhancing overlay performance, State and local highway agencies can maximize this investment and help ensure safer, longer-lasting roadways for the traveling public.119