Reduction in Fatalities: Many studies indicate a reduction in fatal accidents at intersections equipped with red light cameras. A study from the Insurance Institute for Highway Safety (IIHS) found that states with red light camera enforcement saw a decrease of 24% in fatal red-light running crashes.
Decrease in Injuries: In addition to reducing fatalities, the same IIHS report noted that injuries at intersections also declined, with a 14% decrease in injuries related to red-light violations.
Overall Accident Rates: While some studies show a decrease in severe accidents, others note that total accident rates may increase. This is partly attributed to the phenomenon known as “rear-end collisions,” where vehicles that stop suddenly to avoid running a red light may lead to accidents."
https://pmc.ncbi.nlm.nih.gov/articles/PMC8356316/ “Red light cameras (RLCs) reduce injuries but may have no effect on total crashes”
https://blinksandbuttons.net/are-red-light-cameras-effective/ "Studies have produced mixed results over the years, but several key findings can be highlighted:
Reduction in Fatalities: Many studies indicate a reduction in fatal accidents at intersections equipped with red light cameras. A study from the Insurance Institute for Highway Safety (IIHS) found that states with red light camera enforcement saw a decrease of 24% in fatal red-light running crashes.
Decrease in Injuries: In addition to reducing fatalities, the same IIHS report noted that injuries at intersections also declined, with a 14% decrease in injuries related to red-light violations.
Overall Accident Rates: While some studies show a decrease in severe accidents, others note that total accident rates may increase. This is partly attributed to the phenomenon known as “rear-end collisions,” where vehicles that stop suddenly to avoid running a red light may lead to accidents."
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