[Tagging] Signal-controlled roundabouts

[Paul Johnson]

Wow, really?  Got a photo?
On Jun 17, 2014 4:22 PM, "Clifford Snow" <clifford at snowandsnow.us> wrote:

> I've seen one actual mini round about in Seattle and one in Mount Vernon.
> Certainly there are numerous traffic calming islands incorrectly tagged as
> mini runabouts.
> On Jun 17, 2014 1:10 PM, "Paul Johnson" <baloo at ursamundi.org> wrote:
>
>> Not as rare as you think, and growing more common.  I go through 2 or 3
>> roundabouts regularly.  The US official definitions defined in the MUTCD
>> are that roundabouts are uncontrolled or have yield signs entering, traffic
>> circles have stop signs.  Neither are signal controlled in the MUTCD.  We
>> do not have anything equivalent to the mini roundabout in the US (and
>> likely Canada, Puerto Rico, Guam, and the US Virgin Islands) at all, so
>> intersections tagged as such are probably wrong.
>> On Jun 13, 2014 11:30 AM, "Clay Smalley" <claysmalley at gmail.com> wrote:
>>
>>> Coming from the US where any form of roundabout is rare, I would
>>> consider any circular intersection a roundabout. Some have signals, some
>>> don't have signals. I know that some people in the US distinguish between
>>> the two, where a 'roundabout' has no signals and a 'traffic circle' does
>>> have signals. Either way, it makes sense to me to tag it as a roundabout
>>> because:
>>>
>>> 1) it is a junction of multiple roads
>>> 2) all traffic must enter a circular roadway, and then get off at some
>>> point
>>>
>>> Out of curiosity, what are others' criteria for a roundabout?
>>>
>>>
>>> On Fri, Jun 13, 2014 at 8:54 AM, Fernando Trebien <
>>> fernando.trebien at gmail.com> wrote:
>>>
>>>> Hello,
>>>>
>>>> I used to believe that, by definition, all roundabouts have free
>>>> transit and right of way along the circle, and that anything that
>>>> didn't display that property isn't a roundabout (just a circle). But
>>>> reading the wiki once again, I'm a little in doubt. The wiki mentions
>>>> that this is a roundabout, but I would previously have thought it
>>>> wasn't because of the traffic lights within it:
>>>> http://www.openstreetmap.org/#map=19/52.59689/-1.14146
>>>>
>>>> So why is it a roundabout? Is it because of the circular shape? Or
>>>> could it be because it's impossible to infer that any of the entering
>>>> ways have right of way, since they are all controlled by traffic
>>>> lights?
>>>>
>>>> --
>>>> Fernando Trebien
>>>> +55 (51) 9962-5409
>>>>
>>>> "Nullius in verba."
>>>>
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