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Vertical Elements Street Closure <br />Purpose <br />A street closure, for the purpose of this <br />tool box, is defined as closing a street <br />either at one end or the other, or at a mid <br />block location to eliminate unwanted <br />through traffic. <br />�M <br />Source: Institute of Transportation Engineers Traffic calming: State of <br />Practice <br />Effects <br />Volumes <br />Reduces through traffic volumes <br />Speed <br />May reduce speed <br />Traffic Noise and Air <br />Little to no effect <br />Traffic Safety <br />May improve safety of street <br />Advantages <br />• Eliminates through traffic <br />• Possibly reduces speed of remaining vehicles <br />• Can maintain pedestrian and bike access <br />Disadvantages <br />• Increases emergency vehicle response times <br />• May cause inconvenience for some residents <br />• May divert traffic to other streets <br />• May require additional right -of -way acquisition <br />• Winter maintenance <br />Problems Targeted <br />• Cut through traffic volumes <br />Design <br />• There needs to be a minimum of 120 foot right -of -way to accommodate the <br />minimum turning radius of 40 feet. <br />APRIL 2005 33 <br />