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MEMORANDUM <br />To: Chief Rojas via Chain of Command <br />From: Cmdr.Ibarra <br />Subject: Automated Red Light Camera <br />Background <br />Date: 2 -12 -14 <br />The Santa Ana Police Department has operated an Automated Red Light Camera System <br />(ARCLS) since 2003 through Redflex Traffic Systems who provides equipment and support. <br />There are 297 controlled intersections with tri -phase traffic signals throughout the city. The red <br />light camera system operates at 15 intersections with a total of 20 approaches being monitored <br />in various directions. The monitored intersections were selected based on volume, number of <br />collisions and injuries, and overall pedestrian traffic. On an average day, over 1,850,000 <br />vehicles travel through the 15 monitored intersections, making these intersections some of the <br />busiest in the county. The most active intersection is 17th Street and Bristol Street, which <br />averages approximately 172,000 vehicles per day. <br />A recent study suggests that traffic cameras change drivers' behavior, reduce crashes, <br />and saves lives. In 2011, the Insurance Institute for Highway Safety (IIHS) concluded there <br />was a 24% reduction in the number of fatal collisions in the 14 largest U.S. cities using <br />photo enforcement cameras including reductions of 53% in Sacramento, 44% in Santa <br />Ana, 62% in San Diego and 34% in Long Beach. The IIHS study also concluded 159 lives <br />were saved in the 14 cities studied and 800 more lives could have been saved had every <br />large city in the country used photo enforcement cameras. <br />Purpose and Effectiveness <br />The primary purpose of our red light camera program is safety. An internal study conducted by <br />the Santa Ana Police Department's Traffic Division analyzed collisions involving red light <br />violations from 2005 and 2009 and compared the current 15 photo enforced intersection with <br />15 other non -photo enforced intersections. The study found collisions were down 54% in 2009 <br />compared to 2005, and injury collisions were down 77 %. Within the two intersection groups, <br />the study examined four categories: number of reported collisions, rear -end collisions, red light <br />violation collisions, and number of injuries reported. Reported collisions were down at photo <br />enforced intersection by 1% and up by 27% at non -photo enforced intersections. Rear -end <br />collisions were down 2% at photo enforced intersections and up 32% at non -photo enforced <br />intersections. Red light violation collisions were down at both groups, 54% at photo enforced <br />intersections and down 16% at non -photo enforced intersections. At the photo enforced <br />intersections, injuries were down by 77% and 1 % at non -photo enforced intersections. <br />On average there are 4,000 red light activations captured by our system each month, but only <br />2,100 violations are submitted to the court. After a potential violation has been captured, the <br />information is sent to Redflex in Phoenix, AZ. The citation is then processed in accordance with <br />the guidelines established in our business rules. Many violations get rejected in this phase <br />because of the established rules. For instance, we do not process incidents involving vehicles <br />with paper plates, motorcyclists wearing full face helmets, drivers with the face more than % <br />P•- <br />