The distinction in the UK is between a roundabout and a gyratory. Roundabouts can have signals, but they tend to be linked so that it flows, and if you're going straight ahead, you won't normally stop once you're on the roundabout. Roundabouts don't generally have buildings in the middle, or pedestrian access to the middle (at grade).
On Fri, May 18, 2012 at 2:45 PM, Anthony <o...@inbox.org> wrote: > On Fri, May 18, 2012 at 9:42 AM, Anthony <o...@inbox.org> wrote: > > On Thu, May 17, 2012 at 6:21 PM, Toby Murray <toby.mur...@gmail.com> > wrote: > >> junction=roundabout should not care about right-of-way. Trying to > >> enforce this in the map is going to be impossible anyway because it is > >> such a technicality. And I'm not sure what value is added by inventing > >> another tag for edge cases that differ only in handling of > >> right-of-way. > > > > But what is a case where the only difference is in right-of-way? > > > > I don't see right-of-way as a rule so much as a guideline. If you are > > going to call any roadway which is kind of circular in shape a > > roundabout, no matter how large, and no matter how complicated the > > intersections, then where do you draw the line? Is the beltway around > > Washington DC a roundabout? > > The key word there, I think, is *intersections*. A roundabout should > be an intersection, not a bunch of separate intersections. If you're > going to expand it to the point where you have traffic lights or stop > signs for people who are already in the "roundabout", it's no longer a > single intersection. > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > http://lists.openstreetmap.org/listinfo/tagging >
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