often 1920-30s era traffic circles (New Jersey) and rotaries (New England) are mistaken for modern roundabouts. These are the differences

1. www.sarasotaconnectivity.com

2. Roundabout vs. Traffic Circle
• Entering vehicles yield to those • Entering vehicles stop for
already in the roundabout those already in circle
• Entering lanes come at angle • Entering lanes come at straight
due to use of splitter island angle

3. Roundabout vs. Traffic Circle
• Size is usually smaller than a • Usually large in size
traffic circle • Designed to be driven at higher
• Designed to be driven at slower speeds
speeds • Vehicles weave in and out of
• Vehicles select lane when lanes to maneuver throughout
entering roundabout and remain circle
in same lane throughout

4. Sarasota Tuttle/Siesta Drive TRAFFIC CIRCLE –
north/south thru has right of way.

5. DC TRAFFIC CIRCLES

6. Dupont CIRCLE, DC – Stop Lights and pedestrians in center
Photo by Rod Warner April 1 2009

7. ROUNDABOUTS VS. TRAFFIC CIRCLES
new roundabout
old traffic circle

8. St. Armands Traffic Circle – parking in the circle, ped access to center.

9. www.sarasotaconnectivity.com