All About Roundabouts

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What is a roundabout?

A roundabout is a type of circular intersection with yield control of entering traffic and appropriate roadway curvature to reduce vehicle speeds.

Modern roundabouts are different from rotaries and other traffic circles. For example, roundabouts are typically smaller than the large, high-speed rotaries still in use in some parts of the country. In addition, roundabouts are typically larger than neighborhood traffic circles used to calm traffic.

Ham Reid roundabout 2(Above: This is the nearly completed Ham Reid Roundabout in late July 2017.) 


Roundabout Facts:

Compared to other types of intersections, roundabouts have demonstrated safety and other benefits.

 Improvement in safety 
        More than 90 percent reduction in fatalities 
        76 percent reduction in injuries 
        35 percent reduction in all crashes 
        Slower speeds are generally safer for pedestrians.
    They reduce congestion 
        Efficient during both peak hours and other times 
        Typically less delay.
    Complement other common community values 
    Quieter operation 
    Functional and aesthetically pleasing 
    Reduce pollution and fuel use 
    Fewer stops and hard accelerations, less time idling.

Tips for driving a roundabout: 

    • Slow down. Obey traffic signs. 
    • Yield to pedestrians and bicyclists. 
    • Yield to both lanes of traffic on your left already in the roundabout. 
    • Enter the roundabout when there is a safe gap in traffic. 
    • Keep your speed low within the roundabout and stay in your lane. 
    • As you approach your exit, turn on your right turn signal.
    • Yield to pedestrians and bicyclists as you exit.

 A flag-raising ceremony to commemorate the completion of the Ham Reid roundabout was held in February of 2018. Watch it here: