Pennsylvania transportation officials are out in force this week fixing potholes on highways across metro Philly. Why it matters: Potholes can cause heavy vehicle damage, and good luck getting reimbursed for those costs: The state generally has immunity from pothole damage lawsuits.

PennDOT crews are now starting the annual work of fixing potholes across the state highway system. Officials in the department say the public has given them plenty of places to start. "Since January now,

PennDOT plans to repair potholes on over 60 state highways in Philadelphia area, seeking public reports for assistance.

The Philadelphia region experiences a high volume of potholes each season due to temperatures fluctuating between freezing and mild, known as a rapid freeze-thaw cycle.