[Talk-us] [Tagging] destination:street

Martijn van Exel m at rtijn.org
Fri Jan 20 20:02:16 UTC 2017


Hi Duane, 

Thanks. I had overlooked the examples page (even though I searched the OSM wiki for the exact term!)
I do appreciate the granularity of the destination:street tagging and would encourage the Telenav mappers to use it as well then, but we like to stick to conventions that are properly documented (not only in an example page). Since there is significant usage in N-America and some other regions [1], we could add it to the destination tag page [2]? 

My only issue with destination:street is that there’s still ambiguity when more than one street is on the sign, like here [3]. Would that then be destination:street=1300 So.;2100 So. and destination:ref=201 and destination:West Valley? The advantage of having a separate tag partly vanishes when you still need the semicolon separator?

Martijn van Exel

[1] http://taginfo.osm.org/keys/destination%3Astreet#map
 <http://taginfo.osm.org/keys/destination:street#map>
[ <http://taginfo.osm.org/keys/destination:street#map>2] http://wiki.openstreetmap.org/wiki/Key:destination <http://wiki.openstreetmap.org/wiki/Key:destination>
[3] http://openstreetcam.org/details/8230/168 <http://openstreetcam.org/details/8230/168>

 <http://taginfo.osm.org/keys/destination%3Astreet#map>

 <http://taginfo.osm.org/keys/destination%3Astreet#map>
> On Jan 19, 2017, at 5:44 PM, Duane Gearhart <duane at mapzen.com> wrote:
> 
> Hey Martijn,
> 
> It looks correct to me - using the destination:street allows users to know if the ramp is branching onto the specified street name vs. heading toward a street name - examples are located here:
> http://wiki.openstreetmap.org/wiki/Exit_Info#Road_name_Example <http://wiki.openstreetmap.org/wiki/Exit_Info#Road_name_Example>
> 
> Mappers have been using in the US too:
> http://overpass-turbo.eu/s/ln4 <http://overpass-turbo.eu/s/ln4>
> 
> Here is an example way:
> https://www.openstreetmap.org/way/11502773#map=19/39.21853/-76.65894 <https://www.openstreetmap.org/way/11502773#map=19/39.21853/-76.65894>
> 
> You can see how it is used in the directions:
> https://www.openstreetmap.org/directions?engine=mapzen_car&route=39.22079%2C-76.65959%3B39.22139%2C-76.65428 <https://www.openstreetmap.org/directions?engine=mapzen_car&route=39.22079%2C-76.65959%3B39.22139%2C-76.65428>
> 
> Regards,
> Duane
> 
> 
> 
> 
> On Thu, Jan 19, 2017 at 8:00 PM, Martijn van Exel <m at rtijn.org <mailto:m at rtijn.org>> wrote:
> Hi all, 
> 
> The Telenav mapping team noticed quite a few destination:street tags on (mostly) motorway_link off-ramps in Canada. This is an undocumented sub-tag of the destination tag so I am curious how it is being used and if there is some sort of consensus that is documented somewhere else than the OSM wiki.
> 
> An Overpass query surfaced 1883 cases, http://overpass-turbo.eu/s/ln2 <http://overpass-turbo.eu/s/ln2>  
> 
> Looking at a random one, http://www.openstreetmap.org/way/34154734 <http://www.openstreetmap.org/way/34154734> / http://openstreetcam.org/details/10767/4194 <http://openstreetcam.org/details/10767/4194> — I think in the US we would just map this as destination=Carman Road;Iriquois and destination:ref=1
> 
> So my question is whether this is some relic of a past practice, or is this actively used and encouraged mapping practice and if so, where should it be documented? (https://wiki.openstreetmap.org/wiki/Proposed_features/Destination_details <https://wiki.openstreetmap.org/wiki/Proposed_features/Destination_details> seems to be a good candidate.)
> 
> We’re happy to help improve these tags based on OSC / Mapillary data but I wanted to make sure first that this is the way you all want to go.
> 
> Happy mapping,
> 
> Martijn van Exel
> 
> 
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