Practice what signs mean and what to do when you see them: 78 questions based on the California Driver's Handbook.
Traffic in the right lane must turn right
If you do not want to turn, move out of that lane when it is safe.
Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 2B.28
Traffic moves only in the arrow's direction
On a one-way street, all traffic goes the way the arrow points.
Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 2B.49; Tennessee Comprehensive Driver License Manual, Section B, Chapter 3, Traffic Signs and Signals: Regulatory Signs (p. 37); Section B, Chapter 4, Rules of the Road: Traffic Lanes, One Way (p. 60)
A divided highway ends ahead
Traffic going the other way will no longer be separated from you, so keep to your side of the road.
Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 2C.21; Arizona Driver License Manual and Customer Service Guide, Section 3, Roadway and Vehicle Knowledge: Diamond, warning signs (p. 42)
Deer may cross the road
Watch the roadside and be ready to slow down, especially where you can't see far ahead.
Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 2C.55; Tennessee Comprehensive Driver License Manual, Section C, Chapter 2, Special Driving Conditions and Your Vehicle: Collisions with Animals (p. 97)
A raised area in the road ahead
Slow down so that you keep control of your vehicle as you cross it.
Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 2C.26
Road work ahead
This sign warns of work on the road ahead. Slow down, and watch for workers and lane changes.
Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 6H.03; Tennessee Comprehensive Driver License Manual, Section B, Chapter 3, Traffic Signs and Signals: Work Area Signs, Construction Signs (p. 39)
No left turn
The red circle and slash mean the movement shown is prohibited.
Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 2B.26; Arizona Driver License Manual and Customer Service Guide, Section 3, Roadway and Vehicle Knowledge: Regulatory Signs (p. 41); Tennessee Comprehensive Driver License Manual, Section B, Chapter 3, Traffic Signs and Signals: Regulatory Signs (p. 37)
A lane ends and traffic must merge
If your lane is ending, merge when it is safe. If not, make room for those who need to merge.
Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 2C.47; Tennessee Comprehensive Driver License Manual, Section B, Chapter 3, Traffic Signs and Signals: Warning Signs - Diamond Shape (p. 38)
Keep to the right of the island ahead
This sign is placed at traffic islands and similar obstructions. Stay to their right.
Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 2B.39
There is no other way out of this area
The road or streets ahead lead nowhere else, so you will need to come back the same way.
Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 2C.24
We wrote these practice questions from the facts in the California Driver's Handbook (2025 edition) and from official sources on road signs. Every answer links to its source, so you can check it and read more.
DMV Decoded is an independent guide, not a government agency. This practice test is not connected to the California DMV, and your actual test will have different questions. Study the handbook, and check the agency's website for current rules.