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

Tobias Zwick osm at westnordost.de
Tue Oct 1 21:09:49 UTC 2019

Milestones are not necessarily located at the true distance of A to B. Not sure why this is the case, but I know that this is true for at least Thailand. 

On 01/10/2019 21:10, Paul Allen wrote:
> On Tue, 1 Oct 2019 at 19:40, Jorge Aguirre <jorge.aguirre at kaart.com <mailto:jorge.aguirre at kaart.com>> wrote:
>     The addresses that utilize ‘Km’ as part of the actual address are always related to a specific 'highway:milestone’ on that particular highway. For instance, the address for the Hilton Guatemala Vista Real Hotel in Guatemala - as it appears on their official website: [https://www3.hilton.com/en/hotels/guatemala/hilton-guatemala-city-GUALLHH/index.html] - is ‘Km. 9.5 CA-1 East Vista Real Complex, Guatemala City, 01015’. What this means is the location is 500 meters from where the 'highway:milestone=9’ on that particular ‘CA-1 East’ highway...
> I think we're close to hitting the record for how misleading a tag name can be.
> This is a proposal for a tag addr:milestone to allow us to specify a distance in kilometres
> (not miles), of a house (not a milestone) and the nearest milestone isn't a stone but a sign.
> If the locals call the road markers (marked in kilometres and which are not stones)
> milestones then there is some slight justification for addr:milestone.  But only slight,
> because the address doesn't give the nearest "milestone" but a distance along a road.
> If I understand you correctly, this is actually a distance along a particular highway.  A distance
> from where, exactly?  A highway has two ends, and there may be a milestone (that is neither
> a stone, nor marked in miles) 9km from each end.  I assume that since the address
> is in Guatemala City, that would be what is used for addr:city; I also assume that since
> the street is CA-1 East, that would be what is used for addr:street.  Therefore the only
> other thing required would be addr:distance to specify the distance from addr:city
> along addr:street.
> Unless the locals call road markers "milestones" and think of the "9.5km" in terms of
> milestones, addr:milestone is a horrific misnomer and addr:distance better.
> -- 
> Paul
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