How to Build a Gravel Driveway That Lasts

How to build a gravel driveway: lay out the route, strip topsoil and soft material, shape a crowned subgrade, add geotextile fabric where soil is weak, then place and compact layers of larger base stone followed by a finer top layer. Good drainage and compaction matter more than the exact stone chosen. A properly built gravel driveway resists ruts and potholes and needs far less maintenance.

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Plan the layout

Width: about 10 to 12 feet for a single lane, wider at curves and parking areas.
Route: avoid low spots and plan gentle curves.
Permits: many towns require a permit for a new curb cut or culvert at the road.
Utilities: call 811 before digging.
Drainage: note where water flows and plan ditches or culverts.

Step 1: Excavate

Remove sod, topsoil, and organic material, usually 6 to 12 inches deep depending on soil and the stone depth planned. Organic soil compresses and holds water, causing ruts.

Step 2: Shape and compact the subgrade

Grade the subgrade with a crown or cross slope so water sheds off, often around 2 percent or about 1/4 inch per foot. Compact it with a plate compactor or roller. Fix soft spots by digging them out and replacing with stone.

Step 3: Install geotextile fabric

Woven geotextile helps keep stone from sinking into clay or soft soil. It is especially helpful on wet or weak ground. Overlap seams per manufacturer guidance.

Step 4: Place base stone

Layer	Common material	Typical compacted depth
Base	2 to 4 inch crushed stone or recycled concrete	4 to 6 inches
Middle (optional)	Crusher run, 3/4 inch minus	3 to 4 inches
Top	3/4 inch minus, crusher run, or #57	2 to 4 inches

Angular crushed stone locks together; rounded gravel rolls and shifts. Compact each layer in lifts. See compacting gravel base in lifts and crusher run driveway.

Step 5: Add the top layer and crown

Spread the top layer, keep the crown, and compact. Material with fines, like crusher run, packs into a firm surface. Clean stone drains well but stays looser.

Step 6: Manage water

Ditches along the sides on long driveways.
Culverts where the driveway crosses swales.
Water bars or diverters on slopes. See gravel driveway washing out on a slope.
Edging to hold stone in place. See gravel driveway edging.

How much stone?

Calculate each layer: length × width × depth in feet ÷ 27 = cubic yards. Multiply by about 1.4 tons per yard for most crushed stone. A 12 by 100 foot driveway with 10 inches total stone is about 37 cubic yards, roughly 52 tons. The asphalt base calculator can help with base tonnage. See gravel driveway cost for pricing.

Common mistakes

Leaving topsoil under the stone.
Using only rounded pea gravel.
No crown or drainage.
Placing all the stone at once without compacting in layers.
Too little depth for heavy trucks.

Maintenance

Rake or grade periodically, refill low spots, and keep the crown. See gravel driveway maintenance.

Bottom line

To build a gravel driveway that lasts, strip organic soil, shape a crowned and compacted subgrade, use fabric on weak soil, then compact layers of angular base stone and a finer top layer. Drainage and compaction are what keep a gravel driveway smooth.

Questions people ask

How deep should a gravel driveway be?

Commonly 8 to 12 inches of compacted stone in layers, more for weak soils or heavy trucks.

What is the best gravel for a driveway?

Angular crushed stone for the base and crusher run or 3/4 inch minus on top.

Do I need fabric under a gravel driveway?

It helps on clay or soft soils by keeping stone from sinking.

How do I keep a gravel driveway from washing out?

Build a crown, add ditches or culverts, and use water diverters on slopes.

Should I compact a gravel driveway?

Yes. Compact each layer for a firm, rut-resistant surface.

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