• In Garland, Texas, crashes caused by red-light runners decreased by 56 percent (from 43 crashes to 19) at the four intersections where red-light cameras were installed. Overall, crashes were reduced by 25 percent and all injury crashes were reduced by 27 percent.
• Following the first six months of operation of the Intersection Safety Program in Houston, Texas, Mayor Bill White reported a 30 percent decrease in overall crashes.
• From 1994-2005, red-light running violations decreased 73 percent in New York City.
• Accidents are down 11 percent in the intersections with red-light cameras in Arnold, Missouri according to Police Chief Robert Shockey. At the Rockport intersection located in front of a school, accidents are down 50 percent.
• According to a study completed by the Insurance Institute for Highway Safety in January 2007, red-light cameras in Philadelphia, Pennsylvania, reduced violations by 96 percent at enforced locations.
• Public safety officials in Columbus, Ohio report a 72 percent decline in red-light violations between March and August 2006. Additionally intersections monitored by cameras previously averaged 5 to 14 crashes caused by red-light running per year, and since the program was implemented only one crash has been recorded.
• In Fairfax, Virginia after one year of camera enforcement, violations were reduced by about 40 percent. Additionally, 84 percent of its residents supported the use of red-light cameras.
• Significant citywide crash reductions have followed since the introduction of red-light cameras in Oxnard, California:
  • 7 percent overall crash reduction;
  • 29 percent reduction in injury-related crashes;
  • 32 percent reduction in front-into-side crashes;
  • 68 percent reduction in front-into-side crashes involving injury.
• California State Auditor Red Light Camera Programs Report concluded that red-light cameras reduced the number of accidents statewide and locally.
• Charlotte, North Carolina reported the following findings based on a before and after study done at 17 intersections:
  • 37 percent decrease in angle crashes at intersections with cameras;
  • 60 percent decrease in angle crashes at approaches with cameras;
  • 19 percent reduction in all crash types;
  • 16 percent reduction in crash severity.
• Red-light running accidents decreased 30 percent in the year after red-light cameras were installed in Baltimore County, Maryland compared to the prior year.
• Washington, DC experienced an 88 percent reduction in fatalities in the first 2 years and 75 percent reduction in violations since 1999.

Sources:

• “Red light Cameras: A Proven Method to Save Lives,” National Campaign to Stop Red Light Running, www.stopredlightrunning.com/html/redlight.htm.
• “Report on the Effectiveness of Automated Red Light Enforcement,” City of Garland Transportation Department, Sept. 2006
• “Mind Those Traffic Lights,” Insurance Institute For Highway Safety, Status Report, January 27, 2007, pp.2-4.