ASPHALT REPLACEMENT When asphalt reaches the end of its useful life, it loses flexibility and its load bearing ability, resulting in the formation of cracks. Cracked asphalt paving allow water to permeate to the subgrade, destabilizing the base rock and soil underneath, thereby accelerating and intensifying the cracks. “Alligatoring” is the term used to describe the complexion of an asphalt surface that is broken in so tight a pattern, that it resembles an alligator’s skin. When this condition exists, the only remedy is a full-depth removal because it is not cracked from the surface down to the subgrade. After removing the old asphalt, the base rock and/or soil are recompacted and a new section of hot mix asphalt is installed and compacted, reducing trip-hazard exposure and creating a smooth traveling surface.