United States Unpaved Roads Tagging - OpenStreetMap Wiki
Description Unpaved Dirt Discussion Other Names Graded Road, Gravel Road Jeep Trail Most unpaved highways in the Mid-West are graded, that is they are levelled and widened using locally extracted and crushed rock, and the surface then smoothed with a grader.Routine maintenance involves cutting off the top layer to eliminate the washboarding effect. . Jeep trails, if there is any maintenance …