(a) Any stop or turn signal when required herein shall be given either by means of the hand and arm or by signal lamps, except as otherwise provided in subsection (b).
(b) Any motor vehicle in use on a highway shall be equipped with, and the required signal shall be given by, signal lamps 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 limit of the body or load thereof exceeds 14 feet. The latter measurement shall apply to any single vehicle, also to any combination of vehicles.
Structure Code of Alabama
Title 32 - Motor Vehicles and Traffic.
Chapter 5A - Rules of the Road.
Article 6 - Turning, Starting and Stopping Generally.
Section 32-5A-130 - Required Position and Method of Turning at Intersections.
Section 32-5A-131 - Turning on Curve or Crest of Grade Prohibited.
Section 32-5A-132 - Starting Parked Vehicle.
Section 32-5A-133 - Turning Movements and Required Signals.
Section 32-5A-134 - Signals by Hand and Arm or Signal Lamps.
Section 32-5A-135 - Method of Giving Hand and Arm Signals.
Section 32-5A-136 - Stopping, Standing, or Parking Outside of Business or Residence Districts.
Section 32-5A-137 - Stopping, Standing, or Parking Prohibited in Specified Places.