What are the different methods of pavement recycling? The four primary methodologies in pavement recycling are: Cold Recycling, either Cold In-place Recycling (CIR) or Cold Central Plant Recycling (CCPR) Hot Mix Asphalt (HMA) and Warm Mix Asphalt (WMA) recycling is the process i n which Reclaimed Asphalt Pavement (RAP) is combined with new materials to produce HMA/WMA mixes.What percentage of asphalt is reclaimed from old pavements in 2019? 94% The percentage of asphalt mixture reclaimed from old asphalt pavements and put back to use in new pavements in 2019.What are the advantages of reusing existing pavement? Materials from the existing pavement are reused in the construction of a new layer and can result in considerable savings of material, money, and energy. Because of the reuse of existing material, pavement geometrics and thickness can also be maintained during construction.