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Waze is different... It is a crowd sourced database that allows generation of GPS navigation routing... based on just a few minutes delayed data... There is a proper place for both types of systems and products.

Tesla navigation I think uses Google Maps for its current data. Google Maps is pretty good on spotting traffic jams. I don’t know how they do it, perhaps satellite images?

What puzzles me then is how Tesla fails to have an accurate speed limit database. Unless Google Maps doesn’t do speed limits and only reports traffic jams. Still a big mystery to me. Do you know?
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