[talk-au] How do I map left only turning lanes on a motorway?

Joel H. 95.5.radio at gmail.com
Mon Jan 29 08:30:06 UTC 2018

Any idea on how to do a left/straight lane?

So far I have turn:lanes=slight_left|left

On 29/01/18 17:02, David Dean wrote:
> Hi Joel,
> I believe that that example is not mapped correctly, as the turning 
> lane should only become a separate way when it reaches an actually, 
> physical separation. While it is just a turning lane, it should just 
> be indicated by lane tagging on the main way.
> I'd move the separation up to the physical separation, and map the 
> turning lane information on the main way.
> We have a few of those in the Brisbane area where intersections are 
> overly complicated because an early (no longer active) mapper really 
> liked mapping turning lanes as separate ways, and not all have been fixed.
> - David
> On Mon, 29 Jan 2018 at 16:59 Joel H. <95.5.radio at gmail.com 
> <mailto:95.5.radio at gmail.com>> wrote:
>     Hello, I'm adding lane data to the Inner City Bypass in Brisbane.
>     In this spot here: https://www.openstreetmap.org/way/23615424
>     there is 3
>     lanes, however the left turn only lane is already mapped as a separate
>     motorway link. My intention is to add turning lane data to this
>     part of
>     the ICB.
>     Should I map this third left lane on the ICB and move the linking lane
>     closer to the turn off. Or should these lanes be as separate roads, as
>     it is now with the linking lane having 1 lane and the ICB having 2.
>     _______________________________________________
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> -- 
> http://dbdean.com

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