we have some fun roads here because they undermined most of the area for coal in the early 1900s. We have mine subsidence insurance on our house and have even had the garage repaired for it to fix a 3" crack that had developed. That along with the fact that they have no idea how to build or maintain roads around here makes for some fun driving and why I went with an air-ride system. When a hole developes they just throw tar and gravel in it, tar and gravel, then a little more tar on top just to ruin the paint! For a few weeks it is a big bump until the first good rain or freeze cycle and then it slowly goes back into being a hole. We get to know the holes/bumps pretty well around here and its funny just to watch everyone slowly drift their pass weels to the white line on the side or over it to avoid them. Hell the shoulders are better then most of the roads here now that I think of it...