[Talk-us] US Trunk road tagging

[Zeke Farwell]

On Fri, May 7, 2021 at 9:32 AM Paul Johnson <baloo at ursamundi.org> wrote:

> Effectively adds more levels easily, and allows better differentiation
> for situations like a small cycleway in a bicycle parking facility
> versus part of a divided bicycle freeway, for one.  And disconnects it
> from a specific hierarchy that it's increasingly apparent really only
> works for the UK.
>

It works fine for other places.  We do have to work harder at it than the
UK does, though.  Our signed routes don't map cleanly to a sensible
hierarchy of importance.   Would different names be better?  Sure.  But, it
really doesn't feel that hard to do this translation in my head:

motorway --> level 1
trunk --> level 2
primary --> level 3
secondary --> level 4
tertiary --> level 5
unclassified/residential --> level 6
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