[Talk-us] "highway" tags in the US

[Alex Mauer]

Dave Hansen wrote:

> For instance, OR217 and US26 west of Portland are both divided,
> multi-lane, limited access highways.  Despite not being interstates,
> they *ARE* motorways.  

Hmm, are you sure?  maybe they just look like motorways; there are a lot 
of almost-motorway roads

> 
> As for primary/secondary/tertiary.  I basically think that primaries are
> those really big roads that happen once every mile or two.  They're the
> ones where WalMart is. :)

I think those are secondary at best, especially in very urbanized areas.

If we want to tag the physical attributes, something more like 
http://wiki.openstreetmap.org/index.php/Proposed_features/Highway_administrative_and_physical_descriptions 
is more appropriate.