[talk-au] Can anyone make sense of this?

Adrian Hobbs adrian.hobbs at grapevine.com.au
Fri Jul 30 05:59:35 UTC 2021

Looking at the example - this is a really complex situation where the roundabout is at the entrance to a multi-level car park with a fly-ramp taking off to an upper parking level. Is the roundabout on public land or is it part of the precinct for the associated shopping mall? I would imagine the "no U-turn" restriction applies to accessing the fly-ramp dangerously. So commenting generally based on this one situation is a bit risky.

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On 30 Jul 2021, 12:33, at 12:33, Andrew Harvey <andrew.harvey4 at gmail.com> wrote:
>Some of them like https://www.openstreetmap.org/relation/13031072 where
>no-u-turn restriction is on the same way don't make sense, and it's
>fair to
>ask for further information about why it was added, and if that's not
>provided then I think it's fine to remove.
>I admit that while I'd much prefer routers to fix their problems I've
>given so much bad routing due to u-turns at intersections that I've
>mapping some. I think microsoft mapped a lot, so it's common in the
>database. I think at this point we might as well make an exception and
>allow these traffic light no-u-turns to be mapped.
>In the roundabout case, that's why I dislike splitting the way into two
>oneway. It would be better to have a single way and just tag it as a
>traffic island or hard/soft median on that section or something.
>Nonetheless some mappers do it this way and in that case, the no-u-turn
>restriction is probably required.
>On Fri, 30 Jul 2021 at 09:46, Little Maps <mapslittle at gmail.com> wrote:
>> If the edits are accurate, legally acquired, ethical and respectfully
>> build upon the work of previous mappers then, imo, so be it.
>“Necessary” vs
>> “unnecessary” has never been a criteria for inclusion in OSM. If it
>> heaps of edits would be up for challenge. You’ve informed the editor
>> the edits are not necessary and, assuming they’ve read your comment,
>> are clearly happy to continue adding them. So be it. We all have
>> interests and pre-occupations. That’s what makes OSM so unique and
>> interesting, even if it is frustrating at times. It’s a big map.
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