Abstract: Road infrastructure is an essential requirement of economical growth. It provides the facility for man and material, links industries, help in trade. In addition, road system provides last miles connectivity to all other modes of transport such as railways, airways etc. therefore the properties of aggregate are considerable significance to the highway engineers. The aggregate are of categorized based on their size, shape, texture and gradation. Recycling of aggregate is the process in which used aggregate is reused for new construction.