Crushed Stone Vs. Gravel BLAIR CONSTRUCTION
Road and patio base layers can benefit from using both crushed stone and gravel. Road base layers, such as what you''d find on a gravel road or driveway, often use a top layer of ¾inch aggregates. Subbase layers, immediately below the road, driveway, or patio top layer, are usually 1 ½ to 3 inches. Both the base and subbase layers can be ...