[Talk-us] tagging cul-de-sacs

Charlotte Wolter techlady at techlady.com
Tue Apr 10 19:48:24 BST 2012

Hello all,

         I recently mapped a subdivision where 
the cul-de-sacs really were miniroundabouts 
rather than turning circles. Kinda cool and 
unique. So there are, very occasionally, times 
when miniroundabout is appropriate for the end of a cul-de-sac.


At 07:39 AM 4/10/2012, you wrote:
>On Tue, Apr 10, 2012 at 10:17 AM, Martijn van Exel <mvexel at gmail.com> wrote:
> > On 4/10/2012 7:46 AM, Peter Dobratz wrote:
> >>
> >> I'm experimenting with the Java code from Traveling Salesman
> >>
> >> http://wiki.openstreetmap.org/wiki/Traveling_salesman
> >>
> >> http://www.openstreetmap.org/browse/way/158307363
> >>
> >> Is this how people generally map these things?
> >
> >
> > No, I ususally tag the end node 
> highway=turning_circle. There are so many of
> > them littered around US suburbia that mapping each and every one of them as
> > a circular way would make for a lot of not 
> too useful data, not to mention a
> > lot of work.
>So we have 2 people in favor of discarding the circular portion of the
>Way and just using a node with highway=turning_circle.  I actually
>also use this approach on roads such as this:
>I distinguish between having a solid paved surface and a traffic
>island.  This seems to make sense based on the recommendations for
>dual carriage ways (presence of physical separation causing separate
>According to the wiki:
>"There is no central island/reservation to a turning circle—it's
>simply a wider bit of road."
>Are you saying that you delete these circular portions of ways and
>replace with a node?
>Talk-us mailing list
>Talk-us at openstreetmap.org

Charlotte Wolter
927 18th Street Suite A
Santa Monica, California
techlady at techlady.com
Skype: thetechlady

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