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

[osm.talk-au at thorsten.engler.id.au]

***physically***

 

Legal lane change restrictions are tagged with change:lanes

 

From: Graeme Fitzpatrick <graemefitz1 at gmail.com> 
Sent: Saturday, 5 March 2022 08:58
To: Luke Stewart <suburbansilvervlogs at gmail.com>
Cc: OSM Australian Talk List <talk-au at openstreetmap.org>
Subject: Re: [talk-au] Fwd: Assistance with ongoing disagreement regarding intersections

 

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   <https://www.openstreetmap.org/way/779286918/history> Princes Hwy/William Rd 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 <mailto: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  <https://www.openstreetmap.org/way/779286918/history> Princes Hwy/William Rd 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

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