The durability of polymer modified asphalt in pavements is influenced by several key process parameters. These include the type and concentration of polymer used, the mixing temperature, and the duration of mixing. Additionally, the compatibility between the polymer and the asphalt binder, as well as the curing conditions, play crucial roles. Proper control of these parameters ensures optimal dispersion of the polymer, enhancing the mechanical properties and resistance to aging and deformation in the final pavement.