When Arizona DOT first began touting this road intersection concept, people screamed. "They're not safe." "They slow down traffic." "Pedestrians will get mowed over." "They have them back East and they're dangerous." "The cement trucks will never be able to get through them.
Locals chided the state for pushing roundabouts.
Many saw themselves as authorities on roundabouts, even if they had never driven through one.
Now, less than 10 years later, the first thought shared when talking about building a new road or improving an existing one in Arizona is "Where are we going to put the roundabouts?