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Aggregate Base Course (3/4″, Idot, Ca-51)

Perfect For

Road base Driveways Parking lots Pathways Foundation support

Aggregate Base Course, IDOT CA-51, 3/4” Size

Aggregate Base Course in the IDOT CA-51 specification and a 3/4" size range is a high-quality, crushed stone material engineered for use as a stable foundation layer in roadways, parking lots, and other paved surfaces. Produced by crushing and screening durable rock, this aggregate meets Illinois Department of Transportation (IDOT) standards, ensuring consistent gradation and performance.




The 3/4" size offers an optimal balance between compaction and drainage, making it ideal for supporting heavy loads while minimizing water retention. This size is less prone to shifting than larger aggregates and compacts tightly, providing a solid base for asphalt or concrete. Common applications include residential driveways, commercial parking areas, sidewalks, and as a subbase for highways. The IDOT CA-51 attribute guarantees reliable quality and compatibility with public infrastructure projects. While its angular shape promotes excellent interlock and stability, it may require mechanical compaction for best results.

Applications & Uses

  • Road base Recommended
  • Driveways Recommended
  • Parking lots Recommended
  • Pathways Recommended
  • Foundation support Recommended

Frequently Asked Questions

What is Aggregate Base Course used for?
Aggregate Base Course is commonly used for Road base, Driveways, Parking lots, Pathways, Foundation support.
What size is Aggregate Base Course?
Aggregate Base Course typically ranges in size from 3/4".
Where can I get Aggregate Base Course?
You can order Aggregate Base Course for delivery from Hello Gravel. We deliver bulk aggregate materials directly to your site with transparent pricing and no hidden fees.

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