[talk-au] Gravel roads surface tagging

[Graeme Fitzpatrick]

On Sat, 6 Mar 2021 at 21:45, Mateusz Konieczny via Talk-au <
talk-au at openstreetmap.org> wrote:

>
> I can confirm that for Poland. Now that I see this data - there is plenty
> of "droga żwirowa" with
> far smaller pieces of rock than track ballast and not compacted and not
> qualifying for surface=fine_gravel.
> ___________________________________
> Probably surface=gravel was used for them
> ___________________________________
> - updating description on https://wiki.openstreetmap.org/wiki/Key:surface
> - inventing tag for gravel so large to resemble track ballast,
>

How about exactly what it is: surface=ballast?

Leaving surface=gravel (possibly + surface=compacted?) for the mix of
smaller sizes of pea- to medium-sized rock?

- maybe also invent new tag for small gravel
>

If the above works, we wouldn't need one?

And start migrating away from burned surface=gravel tag (like it is
> happening with surface=cobblestone).
> That has over 1 500 000 uses. Wonderful :(
>

Leave them as is, for people to slowly change surface=gravel to
surface=ballast as appropriate.

Thanks

Graeme
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