CAMP VERDE – The construction of State Route 260’s seven roundabouts has been met with community opposition – roundabouts are often thought to be nuisances on an otherwise straight road. However, statistics show that roundabouts are actually safer than a stoplight.
For Camp Verde, the decision to implement roundabouts made the most sense to the Arizona Department of Transportation.
“[The main reason is] safety, because of the reduction of nefarious crashes. Also, maintaining a good level of service into the future. They also reduce congestion,” said Alvin Stump, Northwest District Engineer for ADOT.
According to the Insurance Institute for Highway Safety, roundabouts have a 90 percent reduction in fatal crashes and a 75 percent reduction in injury crashes.
“The tight circle of a roundabout forces drivers to slow down, and the most severe types of intersection crashes – right-angle, left-turn and head-on collisions – are unlikely,” the IIHS website says. They are also safer for pedestrians as crossing distances are relatively short and traffic speeds are lower.
As for the seven roundabouts in Camp Verde, another reasoning behind them pertains to planning for future development within the town.
“As we look at that 260 corridor, those seven intersections are expected to have significant development around them. Lights take more time,” Stump said.
Camp Verde Economic Developer Steve Ayers says roundabouts were a solution to issues SR 260 faced in 2003, by offering a way to direct traffic without congestion at several intersections.
“It was a question of engineering,” Ayers said. “If it had not been for the roundabouts, we would not have been able to build the road and provide access the town needed.”
According to IIHS, roundabouts will improve traffic flow compared to a traditional intersection. Less idling is better for the environment by reducing vehicle emissions and fuel consumption.
Maintenance for roundabouts is also less expensive – the service life of a roundabout is approximately 25 years, compared to 10 years for a typical signal, according to a 2010 National Cooperative Highway Research study.
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