[Tagging] [Talk-us] First bona fide mini-roundabout spotted
baloo at ursamundi.org
Mon May 7 22:27:26 BST 2012
On Mon, May 7, 2012 at 2:07 PM, Nathan Mills <nathan at nwacg.net> wrote:
> On 5/7/2012 3:30 PM, Paul Johnson wrote:
>> On Mon, May 7, 2012 at 1:28 PM, Nathan Mills<nathan at nwacg.net> wrote:
>> All three are roundabouts, yes.
> How are you going to properly map the first one? There is no channelization
> or anything that makes the intersection circular. The curbs at the four
> corners have the typical intersection radius. It's a square with a circle in
> the middle. It's also designed for fire trucks to roll over the edges, since
> they can't otherwise fit. (also the one in the second link, but it at least
> pretends to be a ring of driving surface around a central point)
Draw circle at median distance between corner curbs and outside edge
of central apron on the median.
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