Discover why aggregate is essential in asphalt. Learn about its role in providing stability, strength, and durability to pavement, and how different types and sizes contribute to withstanding wear and tear, heavy loads, and weather conditions. Find out the importance of aggregate in structural stability, load-bearing capacity, rut resistance, skid resistance, drainage, and noise reduction. Explore the properties, preparation, handling, size distribution, and proportioning of quality aggregate for asphalt. Understand aggregate gradation specifications and the challenges and limitations associated with its use. Lastly, delve into research and innovation in aggregate technology for sustainable and high-performing asphalt pavements.