[Tagging] RFC - Discourage railway=preserved

Kai Michael Poppe - OSM osm at poppe.dev
Mon Apr 5 10:55:17 UTC 2021

Good afternoon,

taking Jeroen and Peter's replys into considreation and taking inspiration from somebody else's work, I have created a proposal:


Explicitly mark the tag railway=preserved as discouraged by changing the wiki page to contain only the following text:

The use of this tag is discouraged, use railway:preserved=yes instead.


The Proposal can be found here: https://wiki.openstreetmap.org/wiki/Proposed_features/Discourage_railway%3Dpreserved

Please discuss!

Thank you all for your support!


On 05.04.2021 09:42, Jeroen Hoek wrote:
> On 05-04-2021 08:35, Kai Michael Poppe - OSM wrote:
>> The sections says this: "As of mid-2019, railway=preserved is still
>> twice as common as railway:preserved=*, but the latter tag is increasing
>> faster." - well now in 2021 railway:preserved=yes overtook
>> railway=preserved (~9k vs. ~8k usages) and I was wondering whether it
>> would be in order to re-word that section to be a little more direct
>> about railway:preserved being the favourite way of tagging heritage
>> railways.
> The reasons for not using railway=preserved make sense (being able to
> use other railway-types as well as marking the line as 'preserved'), and
> you are right about the numbers having clearly tipped in favour of
> railway:preserved=yes.
> I think it is safe to reword the text on both pages that talks about the
> number of uses to indicate that railway:preserved=yes is the preferred
> method of tagging.
> Judging from the chronology it even looks like there may be some form of
> community consensus on this by now and that railway=preserved might do
> with a stronger 'use is discouraged' type of message:
> https://taginfo.openstreetmap.org/tags/?key=railway&value=preserved#chronology
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