[Tagging] Deprecating mini_roundabout

Paul Johnson baloo at ursamundi.org
Wed Oct 23 21:09:00 UTC 2019


On Wed, Oct 23, 2019 at 5:31 AM Robert Skedgell <rob at hubris.org.uk> wrote:

> On 23/10/2019 11:14, Florian Lohoff wrote:
> > On Wed, Oct 23, 2019 at 11:55:04AM +0200, Colin Smale wrote:
> >> I would suggest it is not necessary to replace the simple node with a
> >> circular way. I think it is perfectly acceptable if it is considered
> >> as a simple turn instead of negotiating a roundabout, from a routing
> >> perspective. An instruction to turn right at the junction would not be
> >> improved by an instruction to take the third exit. If the navigator
> >> knows that a junction is a mini roundabout, an instruction to turn
> >> right at the (mini) roundabout would probably be optimal.
> >
> > What happens when you have 7 exits or even more? There is no left/right
> > ...
> >
> > https://osmcha.mapbox.com/changesets/75857317
> >
>
> 7 exits seems somewhat unlikely at a mini roundabout, at least as
> understood from the UK-centric usage (meaning TSRGD diagram 1003.4).
>

Meanwhile the osmcha example appears to be a 5 way roundabout-type
junction, but I don't have the clarity in that aerial view to tell if it's
traversable or not.
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