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Crusher Run, also known as Kansas DOT AB-3 Limestone or dense grade aggregate, is a compactable base material made from a controlled blend of crushed limestone, smaller stone particles, and limestone fines. Typically graded from stone dust up to approximately 1 inch, this balanced mixture is designed to compact into a dense, stable foundation for roads, driveways, parking areas, and other heavily used surfaces.
The larger limestone particles provide structural strength and load distribution, while the smaller aggregate and fines fill the spaces between them during compaction. When properly spread, moisture-conditioned, and mechanically compacted, the material locks together tightly to create a firm base that helps resist shifting, rutting, and long-term settlement.
Because Crusher Run contains fines, it compacts much more densely than clean or washed stone. Its tightly graded structure creates a smooth, supportive surface that performs well beneath vehicle traffic, construction equipment, asphalt, concrete, pavers, and other finished materials.
KDOT AB-3 Limestone is widely used throughout Kansas and surrounding regions as a dependable aggregate base for transportation and construction projects. Its recognized gradation and consistent performance make it suitable for both residential installations and larger commercial or civil applications.
The material can be used as a structural sub-base beneath paved surfaces or as a compacted gravel surface for rural roads, construction entrances, pathways, and work areas. Its angular limestone particles interlock under pressure, helping the finished layer remain stable through repeated traffic and changing weather conditions.
Durable, versatile, and cost-effective, Crusher Run / KDOT AB-3 Limestone provides reliable long-term support for projects requiring strong compaction, dependable load-bearing capacity, and a uniform finished grade.
Common Applications of Crusher Run / KDOT AB-3 Limestone
- Driveway base and rural access roads
- Road base and parking areas
- Walkways and compacted pathways
- Base beneath pavers, concrete, or asphalt
- Construction pads and foundation sub-base
- Construction entrances and equipment routes
- Commercial access roads and loading areas
- General site stabilization and grade preparation
