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<br />II Vertical Elements <br /> <br />Partial Diverter <br /> <br />II <br /> <br />IDOOoIe<i1,,1 <br /> <br />Purpose <br />A partial-diverter is the narrowing of a two <br />way street in order to eliminate one <br />direction of travel. The concept can only <br />be used at an intersection and attempts to <br />reroute traffic attempting to use the <br />protected street onto other roadways. <br /> <br />EI <br /> <br /> <br />__::11..':11':__ <br /> <br />~ ~ <br /> <br />Source: Institute of Transportation Engineers Traffic Calming: State of <br /> <br />Effects <br /> Volumes Reduces traffic volumes in the eliminated direction <br /> Speed Possible speed reduction <br />Traffic Noise and Air Little or no effect <br />Traffic Safety Improved pedestrian crossing <br />Advantages . Allows for movement of emergency vehicles <br /> . Reduces traffic volumes <br /> . Allows two-way traffic on the remainder of the street <br /> . Shorter pedestrian crossing at intersection <br />Disadvantages . Parking may be impacted and reduced <br /> . Interrupts street network connectivity <br /> . Emergency vehicles do have to drive around partial closure with care <br />Problems Targeted . Excessive volumes on residential street <br />Design . Care has to be given in the design to not hinder unnecessarily emergency <br /> vehicles due to poor design <br /> <br />APRIL 2005 <br /> <br />35 <br />