ElI5: why is it that we tend to have more pot holes on street roads but not many on freeway or highways?

Question

ElI5: why is it that we tend to have more pot holes on street roads but not many on freeway or highways?

In: Engineering

Answer 1

Number one cause of potholes is water and weight. A highway is built to take more weight and engineered with better drainage. Local roads often flood or have puddles and are engineered to take less weight and heavy objects spend more time on a particular area