ROAD BASE
We deliver itRoad Base (Class 4 (1.5″))
Road base in a Class 4 (1.5") size range is a foundational construction aggregate composed of crushed stone, gravel, and fines. This material is engineered to provide a stable, load-bearing surface for a variety of construction projects. The 1.5" maximum particle size ensures a robust blend that compacts well, creating a dense, durable base layer.
Also called
If a contractor or a spec sheet handed you one of these names, this is the rock they mean.
What people call it
3/4" minuscrush-and-rundense-grade aggregateABC stone
Yard and spec names
Class 4DOT class
Ask for road base and we'll know what you want. If you have a spec number, give us that instead and we'll match it.
What people use it for
- Driveway foundation
- Road construction
- Parking lot base
- Pathway subbase
- Erosion control
We deliver road base
Road Base next to what it gets confused with
| Rock | Size | Shape | Where it wins | Can we deliver it |
|---|---|---|---|---|
| Road Base (Class 4 (1.5″)) | Class 4 (1.5") | Angular | Driveway foundation | We deliver it |
| Road Base (1.25″) | 1.25" | Angular | — | We deliver it |
| Road Base (1.5″ To 3.5″, Limestone) | 1.5" To 3.5" | Angular | — | We deliver it |
Questions people ask
What is Road Base used for?+
Road Base is commonly used for Driveway foundation, Road construction, Parking lot base, Pathway subbase, Erosion control.
What size is Road Base?+
Road Base typically ranges in size from Class 4 (1.5").
Where can I get Road Base?+
You can order Road Base for delivery from Hello Gravel. We deliver bulk aggregate materials directly to your site with transparent pricing and no hidden fees.
How much road base do you need?
The calculator lives on the road base product page — prefilled with a sensible depth and delivered price by ZIP.
Calculate what I need →