All signals given by hand and arm shall be given from the left side of the vehicle in the following manner and such signals shall indicate as follows:
1. Left turn-hand and arm extended horizontally.
2. Right turn-hand and arm extended upward or moved with a sweeping motion from the rear to the front.
3. Stop or decrease speed-hand and arm extended downward.
Structure Mississippi Code
Title 63 - Motor Vehicles and Traffic Regulations
Chapter 3 - Traffic Regulations and Rules of the Road
Article 15 - Starting and Turning; Signaling
§ 63-3-701. Starting of stopped, standing, or parked vehicle
§ 63-3-703. Turning at intersections
§ 63-3-705. Turning on curves or crests of grades
§ 63-3-707. Requirements as to signalling of turns or stops