What do Americans call roundabouts?

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Then forward-thinking British traffic engineers like Frank Blackmore tinkered with the designs and the UK established the modern roundabout by introducing a mandatory "Give way" rule for cars entering. The US still has the older versions, called rotaries or circles, notably in New Jersey and Washington DC.
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Then forward-thinking British traffic engineers like Frank Blackmore tinkered with the designs and the UK established the modern roundabout by introducing a mandatory "Give way" rule for cars entering. The US still has the older versions, called rotaries or circles, notably in New Jersey and Washington DC.