A. No person shall turn a vehicle from a direct course upon a street unless and until such movement can be made with reasonable safety and then only after giving a clearly audible signal by sounding the horn if any pedestrian may be affected by such movement or after giving an appropriate signal in the manner provided herein where other vehicles may be affected by such movement.
B. The signals required under the provisions of this title may be given either by means of the hand and arm as provided in subsection C of this section or by a mechanical or electrical directional signal device or light of a type approved by the State Department of Transportation or its successor and conforming to the provisions of this title.
C. All signals herein required which may be given by hand and arm shall, when so given, be given from the left side of the vehicle, and the following manner of interpretation thereof is suggested:
1. Left turn: Hand and arm extended horizontally.
2. Right turn: Hand and arm extended upward.
3. Stop or decrease of speed: Hand and arm extended downward. (1994 Code)
D. A signal of intention to turn right, left or stop shall be given continuously during not less than the last one hundred feet (100') traveled by the vehicle before turning or stopping. (1978 Code §23-132)