In the late 1970s, a Wyoming section of I-80 used 85% recycled pavement; an FHWA review reported that it lasted 12 years before rehabilitation

Asphalt recycling has been an effective method for over half a century, playing a vital role in maintaining our roads. However, a recent infrastructure report revealed that American roads hold a dismal D+ grade. The lack of funding has stalled essential repairs, leading to deteriorating conditions. Although the asphalt sector excels in material reuse, the overall system has not kept pace.