All signals required by § 71.07, when 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:
(A) Left turn. Hand and arm extended horizontally.
(B) Right turn. Hand and arm extended upward, except that a bicycle operator may signal from the right side of the vehicle with hand and arm extended horizontally.
(C) Stop or decrease speed. Hand and arm extended downward.
('68 Code, § 27-34) Penalty, see § 70.99
Statutory reference:
Similar provisions, see Tex. Rev. Civ. Stat., Art. 6701d, § 70