For the curious, if you’ve never encountered one, there’s a whole website on these things: http://divergingdiamond.com.
Wikipedia has some pretty good illustrations as well.
Erma Gawd. I know the ones in Georgia...they are awful. PLUS they are part of the ridiculous perimeter lay out
They built one in my area. The original intersection/bridge crossed an interstate and at rush hour you’d have to wait 4 or 5 light changes to get through.
At the most it takes 2 light changes now.