To solve the above problems, it is preferable to use local man-made materials - waste phosphate, petroleum and other industrial sectors of the Republic of Kazakhstan. Road construction is one of the most material-intensive works that require the extension of the range of used binders and mixes, the main components of which can be varied technogenicaly. Mineral raw materials for the construction of roads of local and Republican appointment is not always available. Use in road construction and mineral alternative cheap materials such as phosphate slag economic and ecological more efficient. The use of phosphorous slag for road construction Kazakhstan's economic benefits and will help solve the problem of recycling waste phosphoric industry. According to the latest published data in Zhambyl region are more than 10,707.49 ths. Tons of phosphorous slag and about 6032.14 thousand. Tonnes of waste Phosphogypsum.