Potholes. They’re everywhere in Seattle this spring. That’s due in large part to the severe winter we had, with lots of rain followed by subfreezing weather. All that water seeps into the roads and then expands as it freezes, cracking the asphalt (or expanding existing cracks). In places with more severe winters this generates “frost heaving.” Here in Seattle, it generates lots of lots of potholes. But now that spring is (apparently) here, SDOT has a plan.

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