Speed Laws & Move Over

California's Basic Speed Law means you must never drive faster than is safe for present conditions such as weather, traffic, and road surface, even if that is below the posted limit. The posted sign is a maximum under ideal conditions, not a guarantee, which is why simply matching the posted number tempts drivers but can still be illegal in rain or fog.

California's Move Over law covers stationary emergency vehicles, tow trucks, and Caltrans maintenance vehicles displaying flashing amber or emergency lights, not just police cars. Drivers often wrongly assume the law applies only to police, but it protects all roadside workers including tow operators and highway crews.

California's Basic Speed Law means you must never drive faster than is safe for present conditions such as weather, traffic, and road surface, even if that is below the posted limit. A diagram for this topic isn't available yet — the worked example below walks the same reasoning step by step.

• !Read each option carefully — distractors on Speed Laws & Move Over are designed to look plausible.
• !Re-check the exact wording of the question stem before committing to an answer.
• !Watch the qualifiers ("always", "only", "except") that flip a correct-looking option.

Answer each from memory — you'll see instantly whether you're right and why.

Run a focused 10-question mini-mock on Speed Laws & Move Over and see it stick.