Various forms of plastic become waste after its use and require large areas of land for storage also inconvenient to recycle. Due to low biodegradability, hazardous plastic fails land filling which not a dominant method for disposal. Innovative method of waste disposal is investigated due to better binding property of plastics in its molten state, by using them in construction of flexible pavement. This paper presents experimental results of the effects of industrial plastic waste added to enhance properties of bitumen and aggregates. A thorough methodological study by Dry Process (5-18%) and Wet Process (1-10%) of mixing added with PP waste by weight of VG-30 bitumen enhances properties of conventional bituminous mix. It is not only determine the physical impact on bitumen and aggregate but also reduces the processing cost in the manufacturing of mix design for the wearing course of flexible pavements by improving strength and durability.