(This is one of a weekly series of posts entitled “Highway Feature of the Week”. The complete collection of Highway Features of the Week is available on a single page, or via a special RSS feed.)
I’ve come to the conclusion that America doesn’t have enough roundabouts or traffic circles. They’re beautiful structures and, the way we drive in the States, they provide a practical field test of Darwin’s theories.
Consider, for example, this highway feature in Tehran:
This is the Hagh-Shenaas Square, a roundabout-based interchange for the recently constructed Navab Highway in Tehran.
It’s a beautiful structure. Robert Moses would be pleased.
![[Please visit my site to see the map that would otherwise be embedded here]](http://www.triskele.com/images/map.gif)