Crushed Stone Grades: A Complete Guide
Crushed stone #5 Sizes are from 1″ down to fine particles. For road and paver base. Crushed stone #67 Sizes from 3/4″ down to fine particles. For fill, road and slab base. Crushed stone #1 Sizes are from 2″ to 4″. The largest of the crushed stone grades. For larger stone such a culvert ballast.