Crumb rubber is recycled rubber made from used tyres from cars and trucks. As a result of growing vehicle usage, the number of wastetyres is continuously rising. Each year, the world produces close to one billion waste tyres. The number will increase and reach 1200 million by 2030. Benzothizole, a substance in crumb rubber that is acutely toxic, irritating to the respiratory system, and sensitising to the skin, is also present. A study reveals that when these tyres are heated up, harmful chemicals are released. It has been determined that the chemical carbon black, which makes approximately 20-40% of crumb rubber, causes cancer.The rural roads are the foundation of village development, and they have contributed to increased rural incomes and the opening of new livelihood. By substituting crumb rubber for fine aggregate in the concrete mix design.