Bitumen is a type of black viscous mixture which is obtained for the fractional distillation of crude and is a crucial component of the asphalt, that is used to build roads, streets and other part of infrastructure. Modified bitumen is defined as a chemically design which is to offer optimum properties and one of the key properties in modified bitumen is its increased resistance to permanent deformation specially in case of mixtures of asphalt used to create roads in the harsh or high traffic flow location.