California Vehicle Code Section 21454

CA Veh Code § 21454 (2017)  

When lane use control signals are placed over individual lanes, those signals shall indicate and apply to drivers of vehicles as follows:

(a) Green indication: A driver may travel in any lane over which a green signal is shown.

(b) Steady yellow indication: A driver is thereby warned that a lane control change is being made.

(c) Steady red indication: A driver shall not enter or travel in any lane over which a red signal is shown.

(d) Flashing yellow indication: A driver may use the lane only for the purpose of making a left turn to or from the highway.

(Amended by Stats. 1981, Ch. 413, Sec. 7.)

Last modified: October 25, 2018