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<br />II Vertical Elements <br /> <br />Raised Crosswalk II <br /> <br />Purpose <br />A raised crosswalk is a speed table <br />designed as a pedestrian crossing, usually <br />at mid-block to provide additional warning <br />of a pedestrian crossing <br /> <br />~~ <br />I .~ <br />--;,cr .~-----~ <br /> <br />~~[? <br /> <br />Source: Institute of Transportation Engineers Traffic Calming: State of <br />Practice <br /> <br />Effects <br /> Volumes Possible reduction in traffic volumes <br /> Speed Decrease in speed at crosswalk <br />Traffic Noise and Air Possible increase in traffic noise <br />Traffic Safety May increase awareness of pedestrians <br />Advantages . Speed control at pedestrian crossing <br /> . Increases pedestrian visibility and awareness to driver <br /> . May reduce traffic volumes <br />Disadvantages . Possible increase in noise <br /> . Possible diversion of traffic to other streets <br /> . May impact drainage <br />Problems Targeted . High mid-block pedestrian crossing and excessive vehicle speeds <br />Design . Should be placed in mid-block <br /> . Not appropriate for grades greater than 5 percent <br /> . Most common height is between 3 and 4 inches and typically have ramps 6 feet <br /> long <br /> <br />APRIL 2005 <br /> <br />30 <br />