Road base (also called crusher run or road aggregate) is compacted gravel used as the foundation for driveways, roads, and paths. A road base calculator determines how many tons of material are needed based on area and depth.
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Pro Tip
Order road base in tons, not cubic yards — weight is how it's sold and priced. One truck load is typically 20–25 tons. Add 10–15% extra for compaction (road base compacts about 15%).
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Did You Know?
A well-built gravel driveway can last 100+ years with periodic top-dressing. The key is a proper sub-base (6+ inches of compacted road base) with a French drain crown profile so water drains to the sides rather than pooling.
References
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