[Tagging] Turn lane indications vs turn restrictions

Volker Schmidt voschix at gmail.com
Mon May 30 05:06:48 UTC 2022


Are there legislations where the arrows painted on the road are only
"recommendations" and not legally binding (except for emergency vehicles)?

On Sun, 29 May 2022, 18:04 martianfreeloader, <martianfreeloader at posteo.net>
wrote:

> That is my understanding, too.
>
> Purpose of turn[:lanes][:forward/backward] is to help the navigation app
> display what is painted on the road, for better orientation, regardless
> of whether this accurately reflects which turns are allowed.
>
> Purpose of turn restrictions is to tell the routing software which turns
> are allowed or forbidden.
>
>
>
> On 29/05/2022 17:31, Mateusz Konieczny via Tagging wrote:
> > (1)
> > Let say that we have crossing with lane with following signage:
> >
> > - left arrow on left lane
> > - straight arrow forward on center lane
> > - straight arrow forward on right lane
> >
> > You are nevertheless allowed to also turn right from the right lane.
> > And make also u-turns from the left lane.
> >
> > How turn:lanes should be tagged in this case?
> > I am asking as https://wiki.openstreetmap.org/wiki/Key:turn
> > <https://wiki.openstreetmap.org/wiki/Key:turn> seems to
> > be suggesting that actual allowed turns should be ignored
> > and only what is signed matters and want to confirm this.
> >
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>
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