[OSM-talk] "Incorrect speed limit" anonymous notes - who is behind that?

Toby Murray toby.murray at gmail.com
Mon Jul 28 23:15:27 UTC 2014

Interesting. The coverage of these notes is almost global. I don't see any
in South America or Australia but otherwise there are some on each

I also see some reported speed limits in the U.S. in km/h which is most
likely not correct.

Once upon a time I suggested adding a kind of created_by type of field to
notes that would eventually be required for 3rd party applications posting
anonymous notes. But it seems no code has magically appeared to do this yet.


On Mon, Jul 28, 2014 at 5:38 PM, Michał Brzozowski <www.haxor at gmail.com>

> Recently I saw anonymous notes being added of the form "Incorrect
> speed limit. Reported speed limit is X km/h".
> Here's a search query:
> http://api.openstreetmap.org/api/0.6/notes/search?q=Incorrect%20speed%20limit.%20Reported%20speed%20limit%20is
> As they all are generated from a template, I guess this is some app
> which allows users to report back errors.
> But it remains a mystery: Who is author of this software?
> As you can see, there are quite a lot of 0 km/h notes, so I am not
> particularly enthusiastic about validity of the data.
> I would rather suggest that the author either made an account for
> their app or otherwise stated in the body of a note. And for goodness'
> sake, validate what your users input against obvious errors ;-)
> Cheers,
> Michał
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