Crushed Gravel Seattle Builders Sand and Gravel
It contains crushed rock smaller than five eights of an inch this includes the fines. The fine rock particles allow it to compact well, making a smooth, firm surface perfect for a driveway, parking area, pathway, walkway, or gravel road. It can also be used as backfill. It is also called crushed surfacing top course. CSTC – 903.9(3).