The term “drug” means any substance or combination of substances, other than alcohol, which could so affect the nervous system, brain, or muscles of a person as to impair, to an appreciable degree, his ability to drive a vehicle in the manner that an ordinarily prudent and cautious man, in full possession of his faculties, using reasonable care, would drive a similar vehicle under like conditions.
Cal. Veh. Code § 312
WORDS AND PHRASES DEFINED
Applied in 6 court decisions — leading case 32 Cal. 4th 1266 - People v. Canty (2004)
Most recently applied in 185 Cal. App. 4th 791 - People v. Benner (June 2010)
Added by Stats. 1971, Ch. 1530.
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.