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How should sidewalk crossings be mapped exactly? (lemmy.world)

submitted 1 month ago by [email protected] to c/[email protected]

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I'm looking at Tag:crossing=marked, and it's a little vague. It says:

Set a node on the highway where the transition is and add highway=crossing + crossing=marked.

If the crossing is also mapped as a way, tag it as highway=footway footway=crossing crossing=marked or highway=cycleway cycleway=crossing crossing=marked as appropriate.

Doesn't that violate the principle of One feature, one OSM element? For example, here's a crossing from where overpass-turbo defaults to showing:

https://www.openstreetmap.org/node/7780814396

https://www.openstreetmap.org/way/833493479

You've got a way with these tags:

crossing=marked
crossing:markings=yes
footway=crossing
highway=footway
surface=asphalt

And the intersection node with the street it's crossing has these tags:

crossing=marked
crossing:markings=yes
highway=crossing
tactile_paving=no

Shouldn't that be one or the other? It makes sense to me to represent the crossing as a way with all the tags, and leave the intersection untagged. I noticed though that StreetComplete doesn't really like that, and will give you quests to add tags to the intersection node even if the way is properly tagged.

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[–] [email protected] 0 points 1 month ago

Thanks, that makes sense.