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Aerial Speed Enforcement



Aerial speed enforcement uses trooper pilots and trooper observers in airplanes or helicopters to work with troopers on the ground to detect and cite speed limit violators.

Trooper aviators, using calibrated stop watches, determine a vehicle's average speed over designated quarter-mile marked sections (1,320 feet) of highway throughout the state. The vehicle's description and speed are transmitted to troopers working on the ground. The trooper observer confirms the vehicle's description, and the road trooper then stops the violator.


Along with existing speed enforcement efforts, aerial speed limit enforcement is an effective means of promoting highway safety," said Major Larry S. Ray, chief of the department's Highway Patrol Division.

Troopers conduct aerial speed enforcement primarily during heavily traveled periods, such as weekends and holidays.

The aerial speed enforcement program was originally initiated in 1990, with approval of the Alabama Legislature.

Highway Patrol Division


Major Terry Chapman
Division Chief

Alabama Department of Public Safety
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