I don't think that's particularly harmful. I'm not against extending the criteria to published laws, particularly when those laws are documented in an official source.
On Wed, Apr 4, 2018, 23:10 <osm.tagg...@thorsten.engler.id.au> wrote: > Actually, it’s not just relatively harmless “noise”. Because such > no_u_turn restrictions are indistinguishable from e.g. this one: > https://www.openstreetmap.org/relation/8182004 (which I just created), > that actually has a sign “on the ground”: > https://www.google.com.au/maps/@-27.2141567,153.0014115,3a,75y,100.42h,82.68t/data=!3m6!1e1!3m4!1s-vnw60jwbq7XyR_-zZfreg!2e0!7i13312!8i6656 > (excuse the streetview link, don’t have another photo of it right now, but > I’m driving past it almost every day and am well aware of it). > > > > > > > > *From:* Tod Fitch <t...@fitchdesign.com> > *Sent:* Thursday, 5 April 2018 09:50 > *To:* Tag discussion, strategy and related tools < > tagging@openstreetmap.org> > *Subject:* Re: [Tagging] no_u_turn restrictions for every entry/exit into > a roundabout when the way is split because of physical separation? > > > > Seems like tagging “noise” to me. I’d expect a router to use the > roundabout itself because exiting, making a U turn and then re-entering the > roundabout will be longer and thus slower. Since the no U turn relations > are there to make routing work and a reasonable router won’t need them, I’d > say they are “noise”. If I were to go in to fix something on that > intersection, I’d probably remove the no U turn restriction(s). But I don’t > think I’d go out of my way to find them. > > > > Cheers! > > > > On Apr 4, 2018, at 4:36 PM, osm.tagg...@thorsten.engler.id.au wrote: > > > > I’ve noticed that someone from the Microsoft Open Map team is very busy > adding turn restrictions all over the place ( > https://www.openstreetmap.org/user/shawat94/ ). > > > > In my local neighbourhood, I noticed that he added no_u_turn restrictions > to all the nodes where a road into in/out of a roundabout is splitting > (because of physical separation). Which basically amounts to 4 no_u_turn > restrictions for every single roundabout. > > > > e.g. here: > > https://www.openstreetmap.org/changeset/57747093 > > https://www.openstreetmap.org/changeset/57674063 > > > > There is no actual no_u_turn sign in any of these locations, it’s just > (mostly) physically a bad idea to attempt a u-turn here. > > > > Just a few weeks ago I discussed exactly this in #osm and the conclusion > was that it was neither necessary nor desirable to do this. > > > > I made a comment about that to the first of the two changesets linked > above, but haven’t gotten a reply. > > > > So, what is the general opinion about this here? Should these turn > restrictions be created or not? > > > > Cheers, > > Thorsten > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging > > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging >
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