On Tue, 22 Dec 2020, 01:02 Paul Allen, <pla16...@gmail.com> wrote: > On Mon, 21 Dec 2020 at 23:34, Volker Schmidt <vosc...@gmail.com> wrote: > > (perhaps the duck principle could be applied: it looks like a guardstone, >> it keeps the wheels on the road like a guard stone, hence it can tagged as >> a guard stone) >> > > Guardstones don't keep the wheels on the road, they keep the wheels off the > building. Your duck is a drake > I am not saying they are the same, I was pointing out, that, by stretching the duck principle a bit you could use the same tag. But I would prefer us finding a better tag.
> > The pair of "guard" stones one on each side of the minor road could be a >> kind of ancient width limiter for passing vehicles. I have seen many of >> these on the artificial earthen embankments (Italian: argine) that are >> common along waterways in the flat lands of Northern Italy. So we could tag >> them as barrier=bollard; maxwidth=x >> > > Seems plausible. > > The rows of "guard stones" along roads are certainly a predecessor of >> guard rails, i.e. they prevented vehicle from veering off the road. >> > > Maybe, but they're on the wrong side of the road. They prevent the vehicle > veering into trees, which would be just as effective as stopping it going > further and do as much (or as little) damage. A guardrail would be > on the other side of the road, to prevent a vehicle going over the cliff. > You must be looking at different picture. The one I linked, shows definitely false guard stones on the valley side. I drove that road in 1963, when it was in better shape, I guarantee you the protection was on the correct side, and the terrain is steep. > >> I just googled this interesting German document >> <http://strassengeschichte.de/Menueoptionen/Geschichte/HistorieGesch/Randsteine/randsteine.htm> >> So the German term is "Leitstein", at lest it was in the former DDR The >> modern >> > equivalent are the "Leitpfosten >> <https://de.wikipedia.org/wiki/Leitpfosten>", French "délinéateur", but >> there is no English >> > equivalent >> > > The English equivalent of the modern Lietpfosten appears to be > called "verge marker" or "marker post" (the bulkier ones are > called bollards) > https://uk.glasdon.com/road-safety/reflective-verge-markers > > I don't know the English term for Leitstein or even if we ever had such > things. > I learned the term. "Leitstein" today from the report that I googled. Volker >
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