[Tagging] roundabouts without obstacles in the middle

[Gerd Petermann]

thanks for the link to the pdf, I think it shows that OSM is again a bit too

close to UK rules ;-)

In Germany roundabouts are getting more popular, but they require more

space, and unused space is rare here.


Gerd


________________________________
Von: Volker Schmidt <voschix at gmail.com>
Gesendet: Mittwoch, 4. November 2015 09:23
An: Tag discussion, strategy and related tools
Betreff: Re: [Tagging] roundabouts without obstacles in the middle

The reason why we have two different mapping approaches for mini-roundabout and roundabout is that at least in one country (that happens to be the birth-country of OSM) there is a clear distinction between the two with different road layouts (see https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/222621/dg_191955.pdf - pages 10, 19, 68, 95). Also on a mini roundabout you would expect the navigation device to tell you "turn left at mini roundabout", whereas the at the normal roundabout it would say "take the 3rd exit" (from the roundabout).
Know your Traffic Signs - Gov.uk
4 Do you understand the colour coding on signs such as this? Introduction Why know your traffic signs? Traffic signs play a vital role in directing, informing and ...
Weitere Informationen...<https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/222621/dg_191955.pdf>


At least for the UK (and maybe other countries that make that distinction) we should keep the two different taggings.

As far as I know, here in Italy we have the two types of road layout, but without any distinction in the road signs (horizontal and vertical)



On 4 November 2015 at 08:08, GerdP <gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com>> wrote:
voschix wrote
> if you are talking only about your specific example, I would say that in
> this specific case we have normal roundabout which has been adapted for
> the
> situation of the harbour area where the centre piece has no rigid border,
> but it's certainly not flat. It seems also the islands in he roads
> connecting to the roundabout have no steep kerbs.
> I would map this as a normal roundabout.

Yes, that's what ij_ (the mapper) did. AND he added a closed way around it
with
highway=mini_roundabout
area=yes

to somehow pass the information that this roundabout has no
obstacle. I am looking for a solution which is less complicated.

Gerd



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