[Tagging] Correct use of height with kerb

Volker Schmidt voschix at gmail.com
Sat Jan 11 10:08:12 UTC 2020

I do have a related question, regarding the kerb values lowered|raised on a
Assume you find yourself on a pedestrian crossing across a road that has an
adjacent sidewalk and cycleway on the same side.
The main carriageway is separated from the (foot-only) sidewalk by a kerb
and that is separated from the cycleway by another kerb. The first kerb is
typically raised (as the tag refers to a kerb between the road and the
sideway, and the latter is always higher than the road), but the second
kerb (let's assume that the cycle path is physically higher than the
footway) is it kerb=raised (a step upward from the footwalk to the
cycleway) or is it kerb=lowered (a step down from the cycleway to the
sidewalk)? I have come across a number of these in the same context that
Ale mentioned. I fear my conclusion is that  the values "lowered" and
"raised" on a node "kerb" need to be accompanied by
direction=forward|backward (like stop and give-way, for example) with
respect to the "crossing" way. I don't like my conclusion, but it seems
(I hope I'm wrong on this last statement)

On Sat, 11 Jan 2020 at 06:49, Alessandro Sarretta <
alessandro.sarretta at gmail.com> wrote:

> Dear all,
> I'm doing some work cleaning the edits we've done around Padova for the
> local plan for the elimination of architectural barriers (some references
> here: https://doi.org/10.5281/zenodo.3370704).
> The height of kerbs, in this context defined as the nodes at the
> intersection between sidewalks and crossings, is quite an important element
> for the evaluation of accessibility of sidewalks and crossings. I think the
> agreed tagging system is:
> kerb=yes/lowered/raised/flush + kerb:height=<a number><unit>
> as described here
> https://wiki.openstreetmap.org/wiki/Key:kerb#kerb:height.3D.3Cheight.3E.3Cunit.3E
> Around Padova I found some inconsistencies that I'm going to correct, but
> I see similar ones around the world and I'd like to ask you if you think
> they should be corrected, when found.
> Here the questions:
>    - should the tag barrier=kerb be always avoided in these cases and
>    deleted when found? (
>    https://wiki.openstreetmap.org/wiki/Tag:barrier%3Dkerb#Possible_Tagging_Mistakes
>    )
>    - is the tag height=* to be always changed into kerb:height=* ?
> Thank you,
> Ale
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