The rapid increase in world population has made sustainable development more important. Challenges in disposal of C&D waste and meeting requirements of natural raw material for pavement industry have led to the need to utilize C&D and municipal waste (fly ash) in pavement construction and strengthening. In general, fly ash can be used as a partial substitute for fine aggregate in rigid pavement mixes. This paper will discuss the use of C&D and fly ash in construction of rigid pavement