On the MS-150 ride route I did in Louisiana/Mississippi, there was one particular nasty stretch, the road was in really bad shape. The route markers painted on the road...

Now

begins

7 miles

of Hell


They were right. Something like riding over cobbles, for 7 bumpity bumpity freaking lousy miles.

Apparently the highway department was supposed to repave the road, but didn't get to it before our ride. The next year it wasn't repaved, but the route gurus found some different roads to use.