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Barrier <br /> <br />Description: <br />Barrier islands that prevent certain <br />movements at an in't~rsection. ~ ~9~ <br /> <br /> Application: <br /> · Streets where reducing cut-through traffic is desired <br /> <br /> Advantages: · Redirects traffic to main streets <br /> · Reduces cut-through traffic <br /> <br /> · Increased opportunity for landscaping in the roadway <br /> <br /> Disadvantages: · May negatively affect emergency response <br /> ,, Will increase trip length for some drivers <br /> <br /> · Creates physical obstruction in the travel way <br /> <br /> Variation: <br /> · Medians on main street that allow left and right tums in but restrict left tums out or straight across <br /> movement from side street <br /> <br /> Special Considerations: · Requires special approval by the Fire Department for use on critical emergency response routes <br /> · Has little or no affect on speeds for through vehicles <br /> <br /> Cost: <br /> · Moderate <br /> <br /> <br />