Orange County, CA

A 2005 Orange County, California government report found that one year after red light camera installation, accidents dropped by 46.7 percent in Garden Grove, 28.2 percent in Costa Mesa, 16.2 percent in Santa Ana, 12.1 percent in San Juan Capistrano and 5.7 percent in Fullerton.

Ventura, CA

Ventura, California, which installed cameras at 17 different locations in 2001, has seen red light running crashes drop 80 percent at the intersections with red light cameras, and a 29 percent reduction in red light running crashes across the city.

Savannah, GA

Savannah, Georgia has seen a 20 percent reduction in crashes and a 60 percent reduction in violations at intersections with red light cameras since Oct. 2003. Less than 1 percent of the 21,000 tickets issued have been appealed.

Charlotte, NC

In Charlotte, crashes at the city's red light camera intersections dropped from 4,597 to 2,591, or almost 40 percent. Right-angle crashes have dropped by almost 30 percent and rear-end crashes decreased by almost 50 percent.

Fayetteville, NC

Fayetteville has studied traffic data for three years of data before and then three years after the intersections where cameras were installed. Total crashes have dropped from 256 to 214. Right-angle crashes dropped from 91 to 47, a drop of almost 50 percent. Rear-end crashes increased by two.

Greensboro, NC

Red light violations dropped 20 percent since the cameras were installed. Right-angle crashes dropped from between 23 to 29 percent.

High Point, NC

Total crashes decreased 15 percent, and right-angle crashes 23 percent in the first year. Total crashes decreased 9 percent and right-angle crashes 29 percent in the second year.

Raleigh, NC

The Institute for Transportation Research and Education at North Carolina State University compared the number of red-light related accidents in Raleigh between camera and non-camera intersections. The result: right-angle crashes were reduced by 42 percent at red-light camera intersections, rear-end crashes went down 25 percent and total red-light related crashes decreased by 22 percent.

Rocky Mount, NC

Rocky Mount has seen total crashes decrease 31 percent, with rear end crashes dropping by 23 percent, and right-angle crashes 17 percent at the intersections with cameras. On the actual approaches with cameras in place, total crashes decreased 28 percent, rear end crashes 25 percent, and angle crashes 25 percent.

Columbus, OH

The city has seen the number of intersection crashes drop 47 percent at the eight intersections equipped with red light cameras in 2006. Red light running violations have dropped by nearly 63 percent.

Dayton, OH

Dayton began its project in February 2003, has seen a 42 percent reduction in crashes at eight intersections monitored by red-light cameras.

Toledo, OH

Traffic crashes at camera intersections have dropped 36 percent since cameras were installed.

Knoxville, TN

Traffic accidents at 13 high-volume Knoxville intersections dropped 17 percent after the installation of red light cameras in 2006. Right-angle crashes were down 45 percent and rear-end crashes were down 1 percent.

El Paso, TX

In just the first four months of operation, crashes at red light camera intersections in El Paso have dropped 1.6 percent while crashes citywide increased 7.6 percent. The cameras have already issued as many red light running citations as the entire police force did in all of 2006.

Garland, TX

A 2006 study of the red light camera program in Garland, Texas, found that crashes caused by red light runners decreased by 56 percent at intersections with cameras; crashes at intersections without cameras decreased by 38 percent. Injuries at the locations with cameras decreased by 27 percent, from 95 to 69 injuries.