California DMV Practice Test 2026 — Free CA Permit Test

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1. What does a red octagonal sign mean?

• Yield
• Do not enter
• Stop ✓
• School zone

Explanation: A red octagonal sign means STOP. Come to a complete stop at the stop line, crosswalk, or before entering the intersection.

2. A flashing yellow traffic light means you should:

• Stop and wait for green
• Slow down and proceed with caution ✓
• Speed up through the intersection
• Treat it as a four-way stop

Explanation: A flashing yellow light warns you to slow down and proceed with caution. It does not require a full stop.

3. What does a yellow diamond-shaped sign with a black arrow usually warn about?

• A speed limit change ahead
• A road condition or hazard ahead ✓
• A required stop ahead
• A detour route

Explanation: Diamond-shaped yellow signs are warning signs — they alert you to hazards or conditions ahead, such as curves, merging traffic, or narrow roads.

4. When two vehicles arrive at a four-way stop at the same time, who goes first?

• The larger vehicle
• The vehicle on the left
• The vehicle on the right ✓
• The faster vehicle

Explanation: At a four-way stop, yield to the vehicle on your right when two vehicles arrive simultaneously. The first vehicle to arrive goes first overall.

5. What is the legal blood alcohol concentration (BAC) limit for a non-commercial adult driver in California?

• 0.04%
• 0.08% ✓
• 0.10%
• 0.12%

Explanation: The legal BAC limit for a non-commercial adult driver is 0.08% in California, matching the national standard.