Spring is here and potholes are a plenty! Chicago’s dreaded pothole season started in February this year, but we are gearing up for round two. With the combination of rain from the past few days and the freeze we are expecting this weekend, we are sure to see more potholes form on the roads in the upcoming weeks.
Potholes occur when snow and ice melt during the Spring. As a result of the freeze-thaw cycle, water seeps beneath the pavement through cracks caused by the wear and tear of the road. When temperatures cool to freezing at night, the water becomes ice and expands below the pavement, forcing the pavement to rise. With the weight of traffic continuing to pound on this raised section – and the temperatures once again rise above freezing – a shallow divot forms under the surface and the pavement breaks, forming a pothole. [Read more…]