[Tagging] footway=crossing in detailed tagging

Markus selfishseahorse at gmail.com
Sun Dec 15 16:15:15 UTC 2019


Hi Mateusz!

On Sun, 15 Dec 2019 at 12:32, Mateusz Konieczny <matkoniecz at tutanota.com> wrote:
>
> Let's say that we have footway mapped separately from the road, road has footways on both sides.
>
> Footway has surface=paving_stones, road has surface=asphalt.
>
> There is a crossing, made from three ways:
> - (1) highway=footway surface=paving_stones (for a bit from centerline of sidewalk to the curb)
> - (2) highway=footway surface=asphalt (for part on the carriageway)
> - (3) again highway=footway surface=paving_stones for part from curb to the centerline
>
> How footway=crossing tag should be applied?
>
> To all three or just carriageway surface - (2) segment?

The same question came up in the ongoing discussion "Feature Proposal
- RFC - footway=link".

Strictly speaking, the pedestrian crossing goes from kerb to kerb. The
two extra ways (1 and 3) are only needed because we map roads and
paths as lines for simplification and routers. The question is how to
tag these extra ways. They aren't sidewalks, as there is only one
sidewalk running parallel to the street. Because of a lack of an
alternative and for simplification, i've always extended the
footway=crossing to the centre of the sidewalks (i.e.,
footway=sidewalk). But it seems that footway=link (or how the tag
finally will be called) is a possibility to tag the extra ways 1 and
3.

The whole discussion "Feature Proposal - RFC - footway=link" can be found here:

https://lists.openstreetmap.org/pipermail/tagging/2019-November/thread.html#49311
https://lists.openstreetmap.org/pipermail/tagging/2019-December/thread.html#49527

Regards

Markus



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