The text
(a)
Any stop or turn signal when required herein shall be given either by means of the hand and arm or by a signal lamp or lamps or mechanical signal device, except as otherwise provided in section 76-119.
(b)
All signals herein required to be given by hand and arm shall be given from the left side of the vehicle in the following manner, and such signal shall indicate as follows:
(1)
Left turn: Hand and arm extended horizontally.
(2)
Right turn: Hand and arm extended upward.
(3)
Stop or decrease speed: Hand and arm extended downward.
(Code 1971, §§ 22-109, 22-111)