Calgary Roads: The spring thaw opens up potholes around Calgary
The spring thaw opens up potholes around Calgary and we want to know where they are.Enter your pothole location and details by clicking here.
How potholes form
Water penetrates asphalt and freezes to destroy roads
Canada's recent cold snaps have caused freezing water to buckle roads that were smooth only a few weeks ago.
The interactive below shows how rainwater gets under the surface of a road, heaves upward when the temperature drops, and leaves the asphalt shattered when the temperature rises once more.