The US may already have a comprehensive road system, but there's always room for improvement.
Driving in a foreign country can be challenging for any number of reasons. In India, it's basically just a free-for-all. In the UK, you're forced to drive on the wrong side of the road. And in Russia, there's probably somebody with a dashcam looking for something good to put on YouTube. But every now and again you come across something cool, innovative, or efficient that you wish you could bring back to the states with you.
In almost every other country in the world, the rotary keeps traffic moving at a much faster and more efficient pace than the stoplight. There's a good chance that, if traffic conditions are right, you'll never even have to stop. And if traffic is heavy, you just need to wait your turn: there's no point when nobody at the intersection is moving.
Now, putting more rotaries in America would be challenging because 1) the vast majority of citizens are thoroughly confused by a circle on the road, and 2) we tend to severely overdesign them (see: Dupont Circle). But if we could do it right, it would be awesome. What other infrastructure improvements would you like to see the US of A adopt? Pictures and suggestions in the comments, please.
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