[Talk-us] Best practice in Lane Editing

Marc Gemis marc.gemis at gmail.com
Wed Apr 26 11:37:26 UTC 2017

Oh , I thought position 2 was where the physical barrier ended. Must
have misinterpreted the image

On Wed, Apr 26, 2017 at 1:28 PM, Harald Kliems <kliems at gmail.com> wrote:
> On Wed, Apr 26, 2017 at 12:09 AM Marc Gemis <marc.gemis at gmail.com> wrote:
>> I thought the "standard" was to put the exit and entrance nodes at the
>> place where there is no physical barrier. Continuous white lines
>> should be mapped with change:lanes and should have no impact on the
>> position of the node. So definitely position "2".
>> IMHO This is illustrated by the picture on
>> https://wiki.openstreetmap.org/wiki/Lanes
> Please note the footnote on the wiki page though: "There is no physical
> separation between the upper two lanes and the lower ones, just a double
> solid line. While the editing standards recommend to split the ways only
> when a physical separation is present, in many regions the ways are already
> splitted in case of a legal separation like a double solid line. In such a
> case both resulting ways should be tagged with lanes=2."
> So if we go by what is called the "editing standards," the example that
> Horea posted is correct as is, with a split at position 2 being common but
> not exactly right because there is no physical barrier. To me that makes
> sense, as we also wouldn't map a two-lane road with a double yellow line but
> no median as separate ways.
>  Harald.

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