Reclaimed Asphalt Pavements (RAP) are a significant resource for environmentally friendly road building techniques. RAP is obtained from millings when the pavement loses its quality by aging, and it needs to be removed when brand-new asphalt is needed. There are many challenges on any form of recycling agent in order to restore the aged asphalt binder in RAP, despite the growing interest in its use. Even so, there is still no agreement on how to employ RAP and rejuvenators. It is crucial to have an in-depth understanding of how they affect the rheological characteristics and performance of pavements to use recycling agents in asphalt mixtures at their fullest potential.