No person shall turn a vehicle from a direct course or move right or left upon a roadway until such movement can be made with reasonable safety and then only after the giving of an appropriate signal in the manner provided in this chapter in the event any other vehicle may be affected by the movement.
Cal. Veh. Code § 22107
Turning and Stopping and Turning Signals
Applied in 29 court decisions — leading case Mercer v. Perez (1968)
Most recently applied in 194 Wash. 2d 972 - State v. Brown (December 2019)
Amended by Stats. 1959, Ch. 1996.
How often courts cite this section
Court decisions citing this, by year. The dip in the last several years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the most recent years, so recent citations are undercounted.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.