California Road Sign Practice Test

How road signs are tested in California

Road sign questions are part of the California written knowledge test (46 multiple-choice questions, 38 right to pass). Know the signs well and those questions become easy points.

Shown: under 18. Adults 18 or older: 36 questions, 30 to pass.

Signs from the California Driver's Handbook (Revised June 2025). What every kind of sign means, by shape and color: our road sign guide.

Signs the California Driver's Handbook adds

• Warning Signs

  A Two Way Traffic sign warns that traffic ahead travels in both directions. p. 37

• Warning Signs

  A Stop Ahead sign warns of a stop sign ahead; be ready to stop. p. 37

• Slow-moving Vehicles

  An orange-and-red triangle on the back of a vehicle marks a slow-moving vehicle, like road maintenance equipment, usually going 25 mph or less. p. 45

• Red YIELD Sign

  A yield sign means slow down and yield to traffic in the intersection or on the road you are entering. p. 35

• Red and White Regulatory Signs

  Red-and-white regulatory signs with a crossed-out arrow ban that move: no U-turn, no left turn or no right turn. p. 36

• White Regulatory Signs

  A ONE WAY sign (a white regulatory sign) means traffic may travel only in the direction of its arrow. p. 36

• WRONG WAY Sign

  At night, red reflectors shining back in your headlights mean you're going the wrong way; when it's safe, back out or turn around. p. 38

• Warning Signs

  A pedestrian crossing sign means slow down and yield to pedestrians in the crosswalk. p. 37

• Diamond-shaped Sign

  Diamond-shaped signs warn of hazards or special conditions ahead. p. 38

• sided Sign

  A five-sided (pentagon) sign marks a school zone or school crossing. p. 38