Our Class 2 Recycled Base is tailored to meet the rigorous construction standards set forth by Caltrans. Through precise grading and compaction, Class 2 is a premium road base material that offers exceptional strength, durability, and stability. All Class 2 base is highly compactable and has properties that allow water to disperse and drain, protecting the surfaces from eroding prematurely. As it says in the name, Class 2 Base is primarily used as a base underneath roads. This product is ideal for constructing highways, parking lots, airport runways, driveways, sidewalks, and footpaths. Our Crushed Miscellaneous Base (CMB) meets Caltrans Class 2 spec.