What Crushed Stone Sizes Should I Buy? - braenstone.com
Crushed gravel – Sizes range from 1/4″ to 3/4″. These stone are sharp and of an irregular shape. They interlock tightly and are best used for roads, driveways, pathways and as base rock. Crushed gravel is gray in color. River rock – Sizes range from 3/8″ to 2 1/2″. These stones are rounded and smooth which makes them easy on the feet.