2012/10/16 Mike N <nice...@att.net> > > Is there any Smartphone coverage for those areas? Google can track via > their Smartphone apps. By generating tracks from the owner's movements, a > road can be inferred. A consistent set of movements on a track at 20-40 > kph would indicate a dirt road. > > I don't think so. Road grids look to clean for GPS. If you enter Map Maker, you see it's drawn by a user Brigitte <https://www.google.com/mapmaker?gw=66&uid=210635466236870940095>but when I search through her edits, I only find roads in USA. I think this is bought data from a commercial mapping company.
Look at this example: http://goo.gl/maps/44dPQ Nobody would draw a road through that. That was probably drawn before that garden was built. Janko
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