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

[Luke Stewart]

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
>> <https://www.openstreetmap.org/way/779286918/history> 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
>>> <https://www.openstreetmap.org/way/779286918/history> 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
>>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/talk-au/attachments/20220305/919ed5dc/attachment-0001.htm>