We have lots of limestone here, and at one time there were 3 quarries nearby that sold gravel. Now, there's only one, and they have jacked the price up pretty good. I have a 1/2 mile driveway coming in to my house, and rocking it get's pretty pricey. I keep it graded very regular, and that helps the road hold up....until we get a big gully washer, and the gravel washes down the creek. That's the price I pay for living where I do.