[Talk-us] tagging cul-de-sacs
Martijn van Exel
mvexel at gmail.com
Tue Apr 10 15:39:17 BST 2012
On 4/10/2012 8:32 AM, Ian Dees wrote:
> On Tue, Apr 10, 2012 at 9:27 AM, Henk Hoff <toffehoff at gmail.com
> <mailto:toffehoff at gmail.com>> wrote:
>
> On Tue, Apr 10, 2012 at 4:17 PM, Martijn van Exel <mvexel at gmail.com
> <mailto:mvexel at gmail.com>> wrote:
>
> A roundabout (or mini_roundabout) implies to me (although it is
> not defined on the wiki) that there is more than one entry /
> exit road. So intuitively I'd say that is not an appropriate tag.
>
>
> A mini roundabout is more like a big dot in the middle of the
> junction, so that all rules of a roundabout are implied on that
> junction. Example:
> http://www.cbrd.co.uk/histories/roundabouts/img/mini.jpg
>
> Whereas a "normal" roundabout is a more or less circular piece of road.
> Example:
> http://adamcopeland.files.wordpress.com/2008/09/roundabout-live-local.jpg
>
> .... generally speaking ....
>
> For a cul-de-sac I normally use the highway=turning_circle tag on
> the last node.
>
>
> There are two kinds of cul-de-sacs.
>
> This is the sort where I tag the last node of the way with
> highway=turning_circle: http://binged.it/IwzjHv
> This is the sort that I loop the road way back on itself:
> http://binged.it/Imk84z
Good point, the distinction being the island in the middle. I would
argue that even these may be tagged as a turning_circle though, as a
roundabout implies, to me, that there is a through traffic function with
more than one road connecting to it.
--
Martijn van Exel
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