Hamish MacEwan

That might be deemed a reasonable cost if the cameras were clearly improving safety. But do they? Last fall, a study by the New Jersey Department of Transportation revealed that accidents actually increased at intersections where the cameras were installed, apparently in large part because drivers had a tendency to brake hard at lights in order to avoid being captured on camera rolling through a “yellow-red” signal.

Money shot? “In Georgia, after a new state law adding a second to the yellow, several towns canceled their camera programs as no longer profitable.”