All signals herein required 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; and
(C) Stop or decrease speed. Hand and arm extended downward.
(W. Va. Code § 17C-8-10) (Res. passed 6-3-2019)