Driveway needs right shape to fight erosion

Published: September 30

Gravel roads and driveways often suffer significant erosion because they are shaped wrong. If the center of the drive or road is lower than the edges, giving it a V-shape, then the water rushes down the center and causes enormous erosion.
Road engineers discovered centuries ago that you solve this problem by creating roads and driveways with a crown in them. This means the driveway surface is not level side-to-side but has the center higher than the edges.

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