[Tagging] New tag proposal: 'addr=milestone'

Joseph Eisenberg joseph.eisenberg at gmail.com
Wed Oct 2 22:08:31 UTC 2019

Re: “On standard [OpenStreetMap-]carto (and probably most others)
highway=milestone doesn't render.”

There is an open issue and some rendering ideas from a year back:


If anyone wants to help get historic=milestone rendered, they can help
design a good rendering or submit a PR on github: it’s an all-volunteer,
open-source project.


On Wed, Oct 2, 2019 at 9:55 PM Paul Allen <pla16021 at gmail.com> wrote:

> On Wed, 2 Oct 2019 at 13:26, santamariense <imagens.sm at gmail.com> wrote:
>> > that you should not use the term "milestone" but something like
>> > addr:distance or
>> > addr:road_marker  or whatever, because there are no milestones
>> addr:road_marker seems to be appropriate
> Or something with similar meaning.  Places that use this addressing system
> presumably
> have some name for that part of an address.  So that if you tell somebody
> what road your house
> is on and they want to know more precisely, they ask you what your X is.
> I doubt they ask you
> what your milestone is.  Same for forms where there are boxes for road,
> town, county (maybe)
> post/zip code (maybe), there is presumably a box labelled X, and I doubt
> that label is
> "milestone."
> Also of consideration is that if somebody uses the query tool of standard
> carto to get
> the address of a house, will addr:milestone make any sense to them or will
> it just
> confuse them?
> I did some more digging (which the original poster should have done, if
> not at first then at
> least after several people suggested "milestone" was inappropriate).  What
> OSM calls
> highway=milestone is a "highway location marker."  Which is used in
> addresses as a
> "linear referencing system."  So addr:highway_location or
> addr:linear_reference or
> addr:road_marker or something similar based upon what people who live in
> areas with that
> kind of address call that part of the address.
> but highway=milestone, even
>> misleading its name can be, is already in use and I think it would be
>> better to keep a relation between their names.
> On standard carto (and probably most others) highway=milestone doesn't
> render.  And those
> milestones-that-aren't-really-milestones are probably only rarely mapped,
> whereas
> addresses frequently are mapped.  In any  case, as people have pointed
> out, the highway
> location markers either side of the address may not be present.  So the
> only reason for keeping
> a relation between the names is if we're going to map every marker and use
> an OSM relation to
> bind addresses to markers (which will still fail if there's no marker
> present).
> --
> Paul
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