California · Vehicle Code

VEH §23221: (a) A driver shall not drink any alcoholic beverage or smoke or ingest marijuana or any marijuana product while driving a motor vehicle upon a highway.

Infraction

What this law says, in plain English

Drivers and passengers are prohibited from consuming alcohol or marijuana while in a motor vehicle on a highway. Violations are punished as infractions.

Read the full statutory text

(a) A driver shall not drink any alcoholic beverage or smoke or ingest marijuana or any marijuana product while driving a motor vehicle upon a highway. (b) A passenger shall not drink any alcoholic beverage or smoke or ingest marijuana or any marijuana product while in a motor vehicle being driven upon a highway. (c) A violation of this section shall be punished as an infraction.

Verify at the official source: California legislative text

Facing this? Know exactly what happens next.

MOFRD turns this code section into your situation: the deadlines that apply to you, the forms your county uses, and the resolution paths people in your position actually take. Free for 3 days — no card required.

Start your matter free Ask Law Link about this code

This page is legal information, not legal advice. Code text is sourced from official publications and may lag amendments — always confirm at the official source linked above. Plain-English summaries and relationship data are AI-derived and reviewed on an ongoing basis; verify with a licensed attorney before acting.