Five small roundabouts placed around one large one… this is Swindon’s Magic Roundabout and it’s been going strong since it was built in 1972. Wired explains how this multi-directional traffic circle works.

Tom Scott also visited the roundabout in 2015 and used it to discuss flocks of birds: Swindon’s Terrifying Traffic Circle and Emergent Behaviour.

Next, which is faster: 4-Way Stop vs the Roundabout? Plus, see the world’s craziest intersection: Meskel Square, Addis Ababa.

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