It is currently raining off and on quite heavy and my area and when I’m out for a drive at the moment I am finding many potholes that weren’t there a couple of days ago. Wondering why.
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Water gets under the pavement, either through a crack in the pavement or by being forced under it by the virtue of the ground being completely saturated and not being able to hold any more water.
Once the rain slacks off a bit and the water starts to drain, it also takes some of the dirt under the pavement with it, leaving a void under the pavement.
As soon as a car drives over the unsupported asphalt, it collapses into a pothole. L
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