[Tagging] (Mini)Roundabout: examples

Colin Smale colin.smale at xs4all.nl
Tue May 15 22:25:42 BST 2012

It would be nice if these "rond-points" would be explicitly tagged (e.g. 
junction=rond_point???) so mkgmap can still easily be taught to 
recognise it and treat it as a roundabout even if it doesn't comply with 
the OSM semantics for one. Otherwise your satnav will tell you to turn 
right at the junction, even if you want to turn left {driving on the 
right}.  I am concerned here about usability of the data, particularly 
for routing.


On 15/05/2012 22:18, Pieren wrote:
> On Tue, May 15, 2012 at 8:13 PM, Philip Barnes<phil at trigpoint.me.uk>  wrote:
>>> 2) entering traffic must yield; and
>> Not always. In France there are still a few where traffic on the
>> roundabout gives way to traffic joining the roundabout. Isn't the Arc De
>> Triomphe the most famous 'old style'.
> Basically such 'old style' junction called "rond-point" shouldn't be
> tagged with junction=roundabout ([1]). By chance, we only have very
> few of them (different priority/right of way), mostly in Paris. Only
> signed roundabouts (called "carrefour giratoire")(yield [2]) should be
> tagged as such ([2]).
> Pieren
> [1] http://wiki.openstreetmap.org/wiki/FR:Tag:junction%3Droundabout
> [2] http://wiki.openstreetmap.org/w/images/0/02/Fr-AB25-sens_giratoire.gif
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