traffic circles & roundabouts
DESCRIPTION
often 1920-30s era traffic circles (New Jersey) and rotaries (New England) are mistaken for modern roundabouts. These are the differencesTRANSCRIPT
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Roundabout vs. Traffic Circle• Entering vehicles yield to those
already in the roundabout
• Entering lanes come at angledue to use of splitter island
• Entering vehicles stop forthose already in circle
• Entering lanes come at straightangle
Roundabout vs. Traffic Circle• Size is usually smaller than a
traffic circle• Designed to be driven at slower
speeds• Vehicles select lane when
entering roundabout and remainin same lane throughout
• Usually large in size• Designed to be driven at higher
speeds• Vehicles weave in and out of
lanes to maneuver throughoutcircle
Sarasota Tuttle/Siesta Drive TRAFFIC CIRCLE –north/south thru has right of way.
DC TRAFFIC CIRCLES
Dupont CIRCLE, DC – Stop Lights and pedestrians in centerPhoto by Rod Warner April 1 2009
ROUNDABOUTS VS. TRAFFIC CIRCLES
new roundabout
old traffic circle
St. Armands Traffic Circle – parking in the circle, ped access to center.
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