Revenues from fines for driving up to 17 mph over the speed limit cannot exceed more than 40 percent of the ticketing law enforcement agency’s budget.
Citations cannot be issued for speeding less than 10 miles over the posted speed limit, with the exception of school zones, historic districts and residential zones.
A parked law enforcement vehicle must be visible from a distance of at least 500 feet when using radar or laser devices.
Warning signs of speed enforcement must be 24 by 40 inches upon entrance to a city, county or campus, with no detection devices used within 500 feet of any such warning sign.
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Evidence is rendered inadmissible if a speed detection device is used within 300 feet of a speed-reduction sign inside a city or within 500 feet of a speed-reduction sign in unincorporated areas of a county.
No device may be used on a road that has a grade in excess of 7 percent.
Note: Georgia State Patrol is exempt from the above rules.
Source: Georgia code 40-14-1 through 40-14-17.