Cycling in Waterloo Region

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Here are paved trails on flat ground in the aftermath of last year's Calgary flood that illustrate the sorts of issues that could arise.

Typically the way an asphalt trail fails is when a pothole develops it's left unpatched and then during a flood large amounts of water flow through the hole and erode the ground underneath.

Again no one is claiming that asphalt last forever or doesn't eventually need to be replaced. The point is that for every time this happens to an asphalt trail, a gravel trail washes away ten times.