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

Highway roads gets often built in a higher and much more sturdier quality than street road and get more maintenance to fix pot holes

For higher speeds pot holes are much more dangerous, so it’s much more important to fix them on highways.