[talk-au] Fwd: Assistance with ongoing disagreement regarding intersections

[Dian Ågesson]

Hello,

Things have escalated somewhat: 
https://www.openstreetmap.org/changeset/118091243

(There has definitely been something lost in translation, as this change 
isn't an example of what I was speaking to the editor about.)

As Kim said, I'm not talking about the marginal cases.

These are situations where an additional highway has been drawn for a 
left hand turn where there is no slip lane; and where right hand turn 
lanes are mapped as an X rather than a box.

I'm not sure if the editor is on this list, but I don't believe further 
engagement will work.

Dian

On 2022-03-05 10:48, Luke Stewart wrote:

> Personally, for shallow slip lanes like this, I map with the angle of 
> the island and do not make curves where it joins the new road.
> 
> On Sat, 5 Mar 2022 at 10:28, Graeme Fitzpatrick <graemefitz1 at gmail.com> 
> wrote:
> 
> Continuing on with that line of thought & looking at the example 
> mentioned in the other thread:
> https://www.openstreetmap.org/edit#map=20/-31.99548/115.99338
> 
> How should that left turn from Tonkin Hwy to Hale Rd be mapped?
> 
> As a relatively smooth curve the way it is now, or as an abrupt 45° 
> angle at the physical traffic island eg ___/_|__ ?
> 
> Thanks
> 
> Graeme
> 
> On Sat, 5 Mar 2022 at 08:58, Graeme Fitzpatrick <graemefitz1 at gmail.com> 
> wrote:
> Looking back at the notes from the previous discussion & spotted this 
> comment:
> 
> "only split the way at the point where you can no longer physically 
> change lanes."
> 
> Physically, or legally?
> 
> Looking at the  Princes Hwy/William Rd [1] example, yes, there's only a 
> painted line & island that you can physically cross, but that would 
> mean doing an illegal lane change.
> 
> Are we supposed to worry about that, or not?
> 
> Thanks
> 
> Graeme
> 
> On Fri, 4 Mar 2022 at 19:57, Luke Stewart 
> <suburbansilvervlogs at gmail.com> wrote:
> 
> (forgot to x-post to talk-au)
> 
> Hi,
> 
> The standard rule and the way that I map is to only begin a new way if 
> there is some form a physical separation, so extra turning ways which 
> can be completed with a box but are modelled as curves aren't following 
> this rule (same goes for ways that start when lanes start rather than 
> branching off where the physical separation begins).
> 
> Whilst there are arguments like "it looks better" or "helps with 
> routing/direction finding/navigation", these are not reasons to break 
> osm, rather to improve software.
> 
> In the case of the Princes Hwy/William Rd [1] intersection, the 
> residential road should be drawn straight through the intersection, 
> with the right turn lane specified with keys such as turn:lanes and 
> change:lanes.
> 
> As for how to resolve with this user, probably affirming a regional 
> consensus would be most convincing.
> 
> Cheers,
> Luke _______________________________________________
> Talk-au mailing list
> Talk-au at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/talk-au

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