Check out StreetComplete (https://play.google.com/store/apps/details?id=de.westnordost.streetcomplete)
It does more than just road surface type, and incorporates location-based OSM editing in a very user-friendly way!
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Check out StreetComplete (https://play.google.com/store/apps/details?id=de.westnordost.streetcomplete)
It does more than just road surface type, and incorporates location-based OSM editing in a very user-friendly way!