[Tagging] Is it possible to have highway=unclassified with ref tag?

Paul Johnson baloo at ursamundi.org
Sun May 6 16:17:01 UTC 2018

On Sun, May 6, 2018 at 7:28 AM, Philip Barnes <phil at trigpoint.me.uk> wrote:

> On Sun, 2018-05-06 at 09:41 +0200, Mateusz Konieczny wrote:
> > I am pretty sure that it is entirely possible to have
> > highway=unclassified
> > with officially assigned and posted ref number, but I wanted to check
> > whatever my edit on https://wiki.openstreetmap.org/wiki/Tag:highway%3
> > Dunclassified
> > was correct.
> It is certainly possible, in the UK all public highways have a
> reference number. For lower classifications these references are used
> internally by Local Authorities and the references do not appear on
> signs. The consensus is that only references that a visible should use
> the ref tag in OSM.

Sounds similar to how Oregon handles state roads, from the largest roads
like Oregon Trail (I 84) and Baldock Freeway (I 5) down to unnamed service
roads connecting RV spaces in rarely traveled state parks.

For unsigned references we use official_ref and prow_ref which will not
> appear on the standard map but can be rendered on more specialised
> maps.

Seems like we really ought to be more seriously considering going to
route=road relations for signed routes, and ref=* on ways for what the ref
of the way (but not necessarily the route) is.  As it stands now, the ref
of the way doesn't necessarily match the ref of the way, it matches the ref
of the route that runs over it, seemingly the only example of where tag
describing one entity is applied to a *completely different* entity.
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