Extreme cold leaves parting gift: potholes

The cold in the Chicago area and Midwest may have receded but the potholes have just begun:

Streets already showing signs of deterioration are vulnerable to potholes, said Adam Boeche, Mundelein’s director of public works and engineering.

“Once the snow and ice melt, the water begins to infiltrate into the base of the pavement. Then it freezes again, causing the base to heave and expand the roadway surface,” Boeche explained. “If there are already cracks in the surface, they begin to separate more, thereby losing the integrity of the pavement and forming potholes.”

Drivers and residents are encouraged to report potholes to local public works departments. People should drive slowly and cautiously when navigating streets with potholes, said Lincolnshire Public Works Director Bradford H. Woodbury…

Cepeda’s advice on avoiding potholes is simple: Keep your eyes on the road.

So if the driver in front of you is swerving, it may be because they are distracted by their cell phone and it may be because they are trying to avoid a pothole.

More broadly, I’m a little surprised that I have not heard more over the years about construction techniques or research into avoiding potholes in roadways. If we can make permeable roads and roads that can absorb pollution, why not one that is more resistant to potholes or even roads that could be self-healing? The short answer likely is that asphalt roads are relatively cheap to build and repair. At the same time, potholes can be costly and take a toll on many vehicles.

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