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A 'Dilemma Zone' For Red-Light Cameras: Safety Vs. Cash

Traffic engineers face "a new conundrum" in dealing with red-light cameras such as this one in New Mexico, according to a recent study looking at how cameras are operated and the perception that they are used to generate revenue. Susan Montoya Bryan/AP hide caption

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Susan Montoya Bryan/AP

The Two-Way

A 'Dilemma Zone' For Red-Light Cameras: Safety Vs. Cash

What's the point of a red light camera — to make intersections safer, or to generate revenue? That's the question asked by researchers at the University of Tennessee, who say the cameras are sometimes used in ways that are more likely to make money than to improve safety.