[Tagging] red housenumbers

[Matthijs Melissen]

On 19 March 2018 at 18:02, Martin Koppenhoefer <dieterdreist at gmail.com> wrote:
> In the Italian city of Genoa there are housenumbers in black and in red,
> which are different numbers. People have started mapping them with the
> postfix "rosso" (red in italian) but are now wondering if there are other
> areas with similar objects and how these are tagged.

In Haarlem (the Netherlands), house numbers are either black (ground
level) or red (upstairs addresses). The government denotes this with
22-RD (rood=red) or 22-ZW (zwart=black), which OSM follows.
Example: https://www.openstreetmap.org/node/2709690724

-- Matthijs