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<br />Page 14 <br /> <br />OBJECTIVE 6: <br />Make it safer for all roadway users by reducing vehicle speeds. <br />Why: Reducing vehicle speeds provides several safety benefits. For example, reduced vehicle speeds <br />provide more reaction time for drivers to avoid potential collisions. Furthermore, reducing speeds can <br />substantially reduce the severity of collisions that may occur. Top‐end speeders pose some of the <br />greatest threats to pedestrians. A pedestrian hit at 30 miles per hour has an approximately 60 percent <br />chance of survival. At 40 miles per hour, the chance of survival is only 20 percent.1 Figure 4 shows a <br />comparison of the vehicle impact speed to pedestrian injury severity. <br /> <br />Figure 4: Vehicle Impact Speed and Pedestrian Injury Severity <br /> <br />Source: U.S. Department of Transportation, National Highway Traffic Safety Administration <br />Measurement: Traffic speed data was collected by a traffic data consultant in May 2015 before the pilot <br />began, and then again in May 2016 during the pilot using standard tube counters over three consecutive <br />midweek days. The collected data was analyzed to identify the following: <br /> 85th percentile speed, which is defined as the speed 85 percent of drivers are moving at or <br />below, <br /> 50th percentile speed is the median speed – 50 percent of drivers are driving at or below that <br />speed, and 50 percent of drivers are driving above that speed, <br /> <br /> <br />1 U.S Department of Transportation, Literature Reviewed on Vehicle Travel Speeds and Pedestrian <br />Injuries. March 2000. <br />http://www.nhtsa.gov/About+NHTSA/Traffic+Techs/current/Literature+Reviewed+On+Vehicle+Travel <br />+Speeds+And+Pedestrian+Injuries <br /> <br />8.A. - Page 25