[Talk-GB] Can we tag the Imber roads better with access:conditional?

[Nick Whitelegg]

Reminds me a bit of one of my earliest (relatively speaking) mapping trips, which included the Tyneham ranges in south Dorset. That has a similar situation, but is open a bit more often - IIRC it's continuously open in July and August plus one weekend a month the rest of the year.

I can't remember exactly how I tagged the paths in the area, but given it was in summer 2006 (on a memorably hot and sunny day, of which there were many that year - consequently I did a huge amount of mapping that summer) I suspect it may well have just been foot=yes, highway=footway. Not sure if anyone has refined the tags there since.


Nick

________________________________
From: Chris Hodges <chris at c-hodges.co.uk>
Sent: 02 January 2021 15:49
To: talk-gb at openstreetmap.org <talk-gb at openstreetmap.org>
Subject: Re: [Talk-GB] Can we tag the Imber roads better with access:conditional?

Thanks Richard,

Your fail-safety is a good point, and I agree that's a good way to look
at it even though you're not likely to accidentally wander along the
Imber road during firing as there are gates, usually guarded, so a
detour rather than danger, but still to be avoided. This is unlike the
byways further E where you have to watch out for red flags/lights; while
they're more available than the Imber road they're still closed for
firing at least as much as they're open, and tagged access=yes)

I'll have a go at a conditional tag - the current opening finishes
tomorrow and the dates are published with fairly short notice, but at
least it will give something to edit, and allow me to add a comment with
the link

Funnily enough I was just using the query tool to check that yes indeed
the Wiltshire Cycleway does pass through Somerset (Somerset being Tier
4, this isn't allowed).


Chris

On 02/01/2021 14:31, Richard Fairhurst wrote:
> Chris Hodges wrote:
> > it doesn't feel right to imply it's always closed, especially as
> > similarly tagged roads in the area are always closed
>
> (For reference, Imber is perhaps open twice a year, once in summer for
> around a week, once for a few days around New Year.)
>
> access=private is the situation that applies for 96% of the year. It
> therefore makes more sense for this to be the base tag, rather than
> access=yes. As well as being more accurate more often, it "fails safe"
> in this scenario, which is pretty important given that for 96% of the
> time soldiers are firing guns and driving tanks here.
>
> access:conditional= would be a good thing to add. You'd have to update
> it each year when the MoD publish opening times but that should be
> doable. It's a machine-readable tag and so whatever you put in there
> should be machine-readable.
>
> > but is that exposed to users (for sake of argument,
> > someone going to openstreetmap.com)?
>
> Not directly, but you could always suggest it as a feature for the
> default osm-carto rendering. You can, of course, find out more about
> any feature on OSM using the "?" query features tool.
>
> Richard
>
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