[Tagging] Non-orthogonal crossing=* tag proposals: crossing=marked/unmarked vs crossing:markings=yes/no

[Nick Bolten]

> What sort of feature gets tagged crossing=no? Does one draw a line or
node to represent the footway that isn't there?

Personally, I've tagged crossing=no on ways either when it's illegal
(there's a sign saying no crossing) or when it appears to be very dangerous
and it's already been tagged with footway=crossing. Example: "this is an
unmarked crossing on a highway and there's an alternative marked crossing 5
meters to the East".

In terms of jurisdictions, in my neck of the woods, all corners are,
legally, crossings. So, there are many places to create crossing=unmarked.

On Fri, May 24, 2019 at 1:15 PM Kevin Kenny <kevin.b.kenny at gmail.com> wrote:

> On Fri, May 24, 2019 at 4:09 PM <osm.tagging at thorsten.engler.id.au> wrote:
> > The way I see it:
>
> > crossing=no – crossing here is not legal/possible
>
> > crossing=unmarked – there are no road markings (or traffic signals) that
> indicate this is a designated crossing, but based on other factors, it’s a
> location where pedestrians common cross, e.g. because of lowered kerbs, or
> because the sidewalk on one side of the road ended
>
> > crossing=uncontrolled – there are road markings indicating this is a
> designated pedestrian crossing, but no traffic signals that explicitly tell
> pedestrians when they have to stop
>
> > crossing=traffic_signals – there are explicit traffic signals that tell
> pedestrians when to stop. There are very likely road markings, but even if
> not, the absence of road markings, in the presence of actual traffic
> signals, is irrelevant for how this crossing operates.
>
> Does any of this change in a jurisdiction where there is an implied
> crossing at every intersection unless posted otherwise?
>
> What sort of feature gets tagged crossing=no? Does one draw a line or
> node to represent the footway that isn't there?
>
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