Snow plows and salt aren't even the worst of it. Every road is going to have some water in it and when the temperature drops below zero, that water freezes. Wat

Snow plows and salt aren't even the worst of it. Every road is going to have some water in it and when the temperature drops below zero, that water freezes. Water expands when it freezes and this puts stress on the asphalt. You go through enough of these cycles and your road starts to breaking down.