[Talk-us] Usage of turn:lanes on dual-carriage roads
Alexander Jones
happy5214 at gmail.com
Sat May 10 14:08:08 UTC 2014
Saikrishna Arcot wrote:
> Hi,
>
> I've recently started using the turn:lanes tag to specify which lanes go
> in which directions. However, I'm not sure on how roads that intersect
> with a dual-carriage road would be tagged. For example, in this[1] area,
> heading northeast on Highway 161 Service Road and approaching the Las
> Colinas Boulevard intersection, there is one lane that only turns left
> onto Las Colinas Boulevard and all the other lanes go straight (the
> right-turn has been handled before this point). In this case, would the
> turn:lanes tag be present only before either of the Las Colinas Boulevard
> ways (as it is now), or would the tag also be applied to the segment[2]
> between the two Las Colinas Boulevard ways?
>
> [1]: https://www.openstreetmap.org/#map=18/32.90799/-96.95315[1]
> [2]: https://www.openstreetmap.org/way/233686453[2]
>
In this case, since it's a left turn, I'd say include the turn:lanes tag
through to the second way, since that's where the left turn lane ends.
Alexander
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