I have never found a map that consistently differentiated gravel roads from paved anywhere in the country. (Anywhere meaning the places I've lived, Ohio, Virginia, Pennsylvania and Rhode Island). The USGS maps dotted line roads are rough two rut trails while regular graded gravel roads appear the same as paved township roads. The Atlas and Gazatteer series is among the best I've used for cycling but it doesn't differentiate. I used to, and still do, go out, find the roads and write in pencil which ones are gravel in the map book. I've had pretty good luck identifying gravel roads in Ohio using satellite photos as the gravel roads have more of a tan look vs light gray for macadem.
Now that I own a bike with Jack Brown tires I no longer worry about it. I just ride on the gravel road. It's actually improved some of the routes. -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
