OP, don't make the same mistake I made when I first came here and assume that "road" cycling is any use of a bicycle on a road. Roadies are a pretty exclusive bunch and God forbid anyone call a CX, touring, or hybrid a "road" bike.
There have been several gravel grinding threads in the CX forum. I did bring up one time that if beach cruisers, BMX, MTB, fixies and touring needed their own subforums, how about gravel grinders? No movement on that front yet. It seems that, while gravel grinding is as old a cycling itself, it is just now coming into its own as a sport and is having some trouble gaining acceptance. How some people can consider it a "fad" when people have been riding unpaved roads since the dawn of two wheeled transportation is beyond me. I took up gravel grinding last year in addition to my road riding and touring. I find it significantly different that CX or "road" riding and deserving of its own identity, but that's IMHO.