Automated traffic enforcement is growing. How are cities using it?

The number of communities using automated speed safety cameras increased from 211 in 2023 to 222 as of March 2024, according to the Insurance Institute for Highway Safety. This growth comes as communities are allowed to use federal funds for such technology: The 2021 infrastructure law allowed states to spend up to 10% of their highway safety funds on non-infrastructure projects such as automated traffic enforcement. Previously, federal funds for speed cameras could only be used for school zones.

According to the National Association of City Transportation Officials, studies show that speed cameras reduce the percentage of speeding vehicles by 14% to 65% and can cut the number of serious injuries and fatal crashes by up to 44%. “Automated speed enforcement, if deployed equitably and applied appropriately to roads with the greatest risk of harm due to speeding, can provide significant safety benefits and save lives,” the U.S. Department of Transportation states in a 2022 report.

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