Elon Musk’s self-driving Tesla car has taken on one of it’s biggest challenges yet - Swindon’s notorious ‘Magic Roundabout’. The M4 roadway, composed of five mini roundabouts orbiting one central ...

Turn signals are required by law throughout the U.S., but do they apply to roundabouts, too? Their rarity has made the question difficult to answer.

If you've ever missed your exit from a roundabout and then had to drive, slightly embarrassed, all the way around for another chance, you would probably do anything to repeat the experience. The ...