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Traffic Circle <br /> <br />Description: <br />Traffic circles are raised circular medians in <br />an intersection with counterclockwise traffic <br />flow. Vehicles must change their travel path ....... <br />to maneuver around the circle and are <br />typically controlled by "Yield on Entry" OnApplication:all approaches.o StreetSis desiredWhere speed control ~!I <br /> <br /> · Intersections where improved <br /> side-street access is desired q~ v~a ~ ~ *- ~ <br /> <br />Advantages: · Provides increased access to street from side street <br /> · Slows traffic as it drives around median <br /> · Breaks up sight -lines on straight streets <br /> Opportunity for landscaping in the intersection <br /> <br /> Disadvantages: · Definition of right-of-way is contrary to the "'y/eld to the vehicle on the right" rule <br /> · May impede emergency response and ambulance transport <br /> · Relatively expensive if curb extensions are required <br /> · May impede left turns by large vehicles <br /> · On streets with bicycle facilities, bikes must merge with traffic around circle <br /> · Creates physical obstruction in the travel way <br /> <br /> Variations: · With or without neckdowns <br /> · With or without diverter islands <br /> · Different sizes and dimensions <br /> <br /> Special Considerations: · Need to be used in series or in conjunction with other traffic calming devices <br /> · Requires special approval by the Fire Department for use on critical emergency response routes <br /> · May require extensive signing <br /> <br /> · Minimum 20' clearance is required around circle <br /> <br /> · May require educational campaign and learning period <br /> · Should be constructed with mountable curb face to accommodate emergency and large vehicles <br /> <br /> Cost: High <br /> <br /> <br />