[Tagging] Crossing tagged on both way and node (was: What does bicycle=no on a node means?)

[Emvee]

On 15/10/2020 17:36, Jmapb via Tagging wrote:
> I've always been surprised to see a footway=crossing/cycleway=crossing
> way with the intersection node tagged as highway=crossing. There's
> only a single physical crossing, so this seems contra to the
> one-feature-one-element rule.
>
> A highway=crossing node makes sense in an area without mapped
> footways/cycleways. But if the crossing ways are mapped, routing
> software will need to examine the intersection node and scan the
> properties of all highways intersecting there. It seems to make
> tagging the node itself redundant.
>
> Are there really routers that require the node be tagged as well?
>
Routers do not need highway=crossing to detect crossings, every node
where 3 or more ways connect is a crossing.

I also do not add highway=crossing unless I also add crossing=*