Data source for national unpaved roads
I am searching for an "unpaved" road layer or attribute in an existing data set. We are using USA StreetMap, but I cant seem to find it in there. Any ideas?
Mapping Center Answer:
I'm not sure such a thing exists. I know most of the recreation atlas produces guard that information pretty jealously. Some of the national street dataset providers have an attriute describing the pavement (paved/unpaved), but it's not always populated. State DOTs are a good source for this information, but you'd need a state-by-state effort.
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