The doctoral dissertation presents the results of our own experimental research on the possibility of using recycled materials (recycled asphalt aggregate and fly ash from thermal power plants) in the production of cement stabilizations of pavement structures. The mentioned recycled materials were used as a replacement for a part of the natural aggregate of gravel and cement binder in stabilization mixtures. During the experimental laboratory research, the emphasis was placed on determining the strength of stabilization mixtures and based on the obtained test results, final conclusions were drawn. The set goals have been met, and the test results have shown that the mentioned recycled materials, in certain percentages, can be successfully used in stabilization mixtures.