On Wed, 9 Dec 2020 at 23:37, Paul Allen <pla16...@gmail.com> wrote: > > Kevin Kenny argued (I think convincingly) that the hazard is fallen, not > falling, rocks. There is a very slight risk that a rock will fall on your > vehicle but the greater risk, by far, is that you will drive into a fallen > rock. >
But not always! https://2.bp.blogspot.com/_WsC1Ee0QfGg/SdqAsY6oJwI/AAAAAAAAAkg/P71eh3vrZj0/s280/rockslide+4.bmp Editors could make both fallen and falling searchable, and identify > the preset as "falling/fallen rocks," so we might as well make the > value reflect the really big risk rather than the very small one. > While I agree with you, our signs do say "Falling"! On Thu, 10 Dec 2020 at 03:30, Paul Allen <pla16...@gmail.com> wrote: > > Also, in the UK, the sign for unexploded ordnance is the same as you > have for minefields. That symbol first appeared in UK Defence Standard > 05-34, Marking of Service Matériel, and was called (bizarrely) "Unexploded > explosive ordnance" (if it has exploded it would no longer be explosive, > and if it's explosive then it must be unexploded). In old money it > would have been called "unexploded bomb." > Our UXO, or "Live bombs" sign, depending on the sign it's on, is https://cdn-01.media-brady.com/store/stuk/media/catalog/product/cache/3/image/85e4522595efc69f496374d01ef2bf13/1563992197/d/m/dmeu_hz185ad_std.lang.all.jpg I think that moved away from "bomb" because other things (artillery shells, grenades, rockets etc) can all blow up & kill you? On Thu, 10 Dec 2020 at 04:13, Brian M. Sperlongano <zelonew...@gmail.com> wrote: > >> >> >> - Hidden dip >> >> Maybe. There is a barely used tag hazard=dip. Is this a permanent > feature? I usually see these in relation to road construction. Note that > speed dips are already covered under the key traffic_calming, so this would > have to describe a permanent, signed dangerous feature that wasn't put > there for traffic control reason. > Yes, they are permanent features & relatively common out here, with a "very" complicated warning sign! https://en.wikipedia.org/wiki/File:Australia_road_sign_W5-9.svg A few more that I've just thought of: Tilting truck: This sign warns that trucks may tip over when driving around the curve of the road or when making a turn. https://en.wikipedia.org/wiki/File:Australia_W1-8_(L).svg Emergency vehicles: give you early warning that emergency vehicles may suddenly drive in or out of their entrance onto the road. https://en.wikipedia.org/wiki/File:Australia_road_sign_W5-SA70.svg Grid: to warn that you are approaching a cattle grid - we already have a tag for grids, do we also need a sign to warn that they're coming up? https://en.wikipedia.org/wiki/Road_signs_in_Australia#/media/File:Australia_road_sign_W5-16.svg Thanks Graeme
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