Cal. Veh. Code § 21750 : CALIFORNIA VEHICLE CODE — RULES OF THE ROAD — DRIVING, OVERTAKING, AND PASSING — OVERTAKING AND PASSING — Driver overtaking vehicle proceeding in same direction TEXT PDF (a) The driver of a vehicle overtaking another vehicle proceeding in the same direction shall pass to the left at a safe distance without interfering with the safe operation of the overtaken vehicle, subject to the limitations and exceptions set forth in this article. (b) This section shall become operative on September 16, 2014. Ca. Veh. Code § 21750 Added by Stats 2013 ch 331 (AB 1371),s 2, eff. 1/1/2014.