#4 Limestone Gravel
About #4 Limestone Gravel #4 Limestone Gravel Stone is a crushed angular Limestone aggregate. Sizes of #4 Stone range from 1 1/2" to 2 1/2". Common appliions: Driveway Gravel (special build driveways to support heavy vehicles/items like boats or dump trucks, for example, on muddy roads although for normal driveways we recommend the #57 size which is the standard).