California: Speed and Penalties
Speed limits and enforcement.
Destination context: Freeway culture dominates; lane splitting by motorcycles is legal. Municipal parking rules vary sharply between SF, LA, and San Diego.
How to read this guide: Stress freeway merge etiquette, FasTrak for rental vehicles, and municipal tow-away zone awareness in SF/LA.
Limits and fines
Overview
Basic speed law: never unsafe for conditions. DUI ≥0.08% BAC: licence suspension, fines USD 390–1,000+, possible jail. School zones: 25 mph when children present or signed.
Official sources and references
Frequently asked questions
Are cameras used?
Yes, automated enforcement is common.