New York Times - Roundabouts: Efficient or Annoying?
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International Herald Tribune - The rise of the modern roundabout
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Institute of Community Preservation - Roundabouts a viable alternative or going in circles?
The modern roundabout is an intersection design that is different from earlier versions of 'traffic circles' as designed in the early 1900s. Once motorists learn how to use them, they decrease pollution at the intersections, increase traffic flow through intersections, and, surprisingly, calm traffic at them as well. They are also cheaper to maintain (no traffic lights required) and reduce motor vehicle accidents and injuries/deaths considerably.
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