[OSM-talk] Question about contributor terms and derived contributions

[Nathan Edgars II]

Andreas Perstinger wrote:
> 
> How did you noticed that there is a right-way turn lane? Probably not by 
> looking on the OSM map because then it would have been already there. So 
> you have another source (local knowledge, bing, ...) from which you got 
> the location of this way -> you derived the information from that source.
> 
My point is that you can't derive exact location from local knowledge. So in
the absence of aerials or GPS traces, any estimation will be derived from
existing ways.

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