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.