sent from a phone

> On 12. Aug 2019, at 16:38, Paul Allen <pla16...@gmail.com> wrote:
> 
> may not be entirely
> predictable (especially if we don't have access to traffic statistics) and 
> the only objectively
> verifiable data we have is the signage. 


no, we also have our knowledge about the size and importance of the places that 
are connected, about right of way at crossings, road sections/size/surface 
quality, lanes, speed limits, „curvyness“, and we have an idea of traffic 
density (not as precise as true statistics maybe, but you usually have an 
idea), etc etc.



> If your country's government indicates with signs
> that a road as a primary route then that is what it is. 


no government says „primary“ road, they might say „A road“, or „Bundesstraße“ 
but the latter is only telling that the Federal government of Germany is in 
charge of the maintenance (i.e. it is somehow deemed to be important, but it 
doesn’t say _how_ important it is, because importance varies among 
Bundesstraßen, and it is only generally more important than a Kreisstraße 
(local connection road), while in a specific case it may be less important than 
a specific Kreisstraße.

I’m all for recording these classes (we do it in ref in Germany and Italy), but 
they cannot be an argument in the individual case in favor of a specific osm 
highway class.

Cheers Martin 
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