California: Road Signs and Priority

Sign conventions and right-of-way.

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.

Last reviewed: 2026-05-29 · Author: DrivingRules.World Editorial Team · Reviewed by: DrivingRules.World Fact-Check Team

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Conventions

Overview

Right-hand traffic. Motorcycles may lane-split between lanes if done safely (CHP guidelines). Red-light right turn allowed after stop unless sign prohibits.

Official sources and references

Frequently asked questions

Follow posted signs?

Always. Signs override general guidance.