[talk-au] Tagging Culverts on Roads

[Graeme Fitzpatrick]

On Fri, 27 Nov 2020 at 19:22, cleary <osm at 97k.com> wrote:

>
> In regard to sections of road that are subject to flooding, I think that
> is a separate issue.  Sometimes lengths of road may be signposted as
> floodways and I am not aware if there is any appropriate OSM tagging for
> that.


On Fri, 27 Nov 2020 at 19:38, Andrew Davidson <theswavu at gmail.com> wrote:

> OSM doesn't really have any existing tagging for flood vulnerability of
> water crossing, except perhaps bridge=low_water_crossing. ford=yes could
> be anything from a track over a watercourse that runs maybe once a
> decade to a crossing that's only safe to use for a couple of days a year
> by vehicles equipped with a snorkel.
>

I can't see any reason not to just use ford=yes for floodways?

https://wiki.openstreetmap.org/wiki/Key:ford suggests using depth=0 "for
fords that are dry most of the year", together with intermittent=yes. I've
done this for footpath fords, together with a description= "After heavy
rain only" & also a maxdepth=1, based on the flood height post.

Thanks

Graeme
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