By "crushed gravel" driveways we mean those composed of coarse sand intermixed with small stones. But this terminology is regional, and many find it confusing. What we mean by "crushed gravel" driveways (photo at left) is distinct from what we would term, "stone" driveways .
The crushed gravel consists of hard, durable stones, rock, and boulders crushed to specified size. Produce uncrushed particles, screen the gravel before crushing. Stones, rocks, and REQUIREMENTS FOR GRADATION OF AGGREGATE.