Signals on turns lane changes, slowing, or stopping
(a) No person shall turn a vehicle at an intersection unless the vehicle is in proper position upon the roadway as required in Code Section 40-6-120 or turn a vehicle to enter a private road or driveway or otherwise turn a vehicle from a direct course or change lanes or move right or left upon a roadway unless and until such movement can be made with reasonable safety. No person shall so turn any vehicle without giving an appro- priate and timely signal in the manner provided in this Code section. (b) A signal of intention to turn right or left or change lanes when required shall be given continuously for a time sufficient to alert the driver of a vehicle proceeding from the rear in the same direction or a driver of a vehicle approaching from the opposite direction. (c) No person shall stop or suddenly decrease the speed of a vehicle without first giving an appropriate signal in the manner provided in this Code section to the driver of any vehicle immediately to the rear when there is an opportunity to give such signal. (d) The signals provided for in subsection (b) of Code Section 40-6-124 shall be used to indicate an intention to turn, change lanes, or start from a parked position and shall not be flashed on one side only on a parked or disabled vehicle or flashed as a courtesy or “do pass” signal to operators of other vehicles approaching from the rear.
Signals by hand or signal lights
Turn signals
(a) Any stop or turn signal when required in this chapter shall be given either by means of the hand and arm or by signal lights, except as otherwise provided in subsection (b) of this Code section. (b) Any motor vehicle in use on a highway shall be equipped with, and a required signal shall be given by, signal lights when the distance from the center of the top of the steering post to the left outside limit of the body, cab, or load of such motor vehicle exceeds 24 inches or when the distance from the center of the top of the steering post to the rear limits of the body or load thereof exceeds 14 feet. The latter measurement shall apply to any single vehicle and also to any combination of vehicles.
Hand signals