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Reply to "What is so difficult about traffic circles???"
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[quote=Anonymous][quote=Anonymous]Traffic circles are designed for horse and buggy going 15 mph and even then there were lots of accidents. Pierre L’Enfant designed DC in the 18th century.[/quote] "Studies have shown that roundabouts are safer than traditional stop sign or signal-controlled intersections. Roundabouts reduced injury crashes by 75 percent at intersections where stop signs or signals were previously used for traffic control, according to a study by the Insurance Institute for Highway Safety (IIHS)." https://www.wsdot.wa.gov/Safety/roundabouts/benefits.htm [/quote]
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