What are the most effective soil types for pavement?

The most effective soil types for pavement are generally well-drained, granular soils, such as sand and gravel, which provide good load-bearing capacity and minimize settlement. Cohesive soils, like clay, can pose challenges due to their tendency to expand and contract with moisture changes, leading to potential pavement cracking. Additionally, stable subgrade materials, such as compacted crushed stone, are often used to enhance the stability and longevity of paved surfaces. Proper soil preparation and drainage are also crucial for successful pavement installation.