[Talk-us] Divided diamond interchanges in the US

Toby Murray toby.murray at gmail.com
Fri Oct 29 06:54:02 BST 2010

A friend of mine found a flickr set from MODOT with more aerial
imagery (not rectified but high resolution)


This makes it obvious that there is indeed a direct link over to
Norton and that it is open as you can see cars driving on it. It is
just concrete instead of blacktop like most of the intersection so it
is harder to pick out. I have added it.

After looking at the flickr pictures I feel that I can pick out the
footways well enough from NAIP imagery to trace them as well. It looks
to me like the island going across the bridge is intended for
pedestrian use as well.


On Thu, Oct 28, 2010 at 6:41 PM, Paul Johnson <baloo at ursamundi.org> wrote:
> On 10/28/2010 03:27 PM, Alex Mauer wrote:
>> I recently stumbled upon an article[1] about the new use of the divided
>> diamond interchange design in the US.
>> It seems that the first one[2] is here[3] in Missouri and as yet unmapped.
>> A second one in the same city is here[4], and it appears that the old
>> interchange hasn’t been mapped either.
>> Aerial photos on Google and Yahoo are both out of date, so I can’t map
>> them myself.
>> Is anyone in that area and able to update these interchanges?
> Looks like someone got to it already; I might be out that way but it'll
> probably be the summer before I'm out anywhere near there.
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