Understanding Road signs is essential for every driver, whether you’re preparing for your DMV permit test or refreshing your knowledge of traffic laws. Road signs are designed to communicate critical information quickly, ensuring the safety of all road users. In this guide, we break down the most common U.S. road signs into categories—regulatory, warning, construction, guide, and recreational—complete with explanations and driver actions. Here, at DMVExamPractice.com, by mastering these signs, you’ll not only pass your permit test with confidence but also drive smarter and safer every day.
🚦 DMV Road Signs Explained🚦
🚧 Regulatory Signs
These signs control traffic behavior. Usually rectangular with white backgrounds and black or red lettering.
Sign
Meaning
Driver Action
Stop
Come to a full stop at the stop line, crosswalk, or intersection.
Stop completely and proceed only when safe.
Yield
Give the right-of-way to others.
Slow down or stop to allow traffic or pedestrians to pass.
Do Not Enter
Prohibits entry to a roadway.
Do not drive into the street or ramp.
Wrong Way
You’re going against the direction of traffic.
Immediately turn around safely.
No U-Turn
U-turns are not allowed.
Continue forward or find a legal turn point.
Speed Limit
Maximum or minimum legal speed.
Obey the posted limit.
No Parking
Parking not allowed.
Look for posted time/day restrictions.
Left Turn Only
You may only turn left from this lane.
Do not proceed straight or right.
One Way
Traffic flows only in the direction shown.
Drive in the indicated direction only.
Keep Right
Stay to the right of a divider or obstacle.
Pass on the right as directed.
⚠️ Warning Signs
These alert drivers to hazards or changes. Most are yellow diamonds with black symbols or words.
Sign
Meaning
Driver Action
Slippery When Wet
Road becomes slippery when wet.
Slow down and drive carefully.
Merge
Traffic from another road joins in.
Prepare to merge or yield.
Pedestrian Crossing
Crosswalk ahead.
Yield to pedestrians.
School Zone
Children may be present.
Slow down and be alert.
Deer Crossing
Wildlife may cross.
Stay alert, especially at night.
Traffic Signal Ahead
Upcoming traffic lights.
Be prepared to stop.
Sharp Turn/Curve
Sharp turn ahead.
Reduce speed accordingly.
Divided Highway Begins
Median starts ahead.
Keep right.
Divided Highway Ends
Two-way traffic ahead.
Use caution; oncoming traffic possible.
Two-Way Traffic
Traffic flows in both directions.
Stay on your side of the road.
🏗️ Construction/Work Zone Signs
Orange diamond or rectangular signs indicating road work or changes.
Sign
Meaning
Driver Action
Road Work Ahead
Construction ahead.
Slow down, be alert.
Detour
Route is closed; take alternate path.
Follow detour arrows.
Flagger Ahead
Worker is directing traffic.
Obey flagger signals.
Lane Closed Ahead
Lane ends ahead.
Merge in advance.
Fines Doubled
Increased penalties in zone.
Follow all posted signs strictly.
🛣️ Guide Signs
These help drivers navigate: directions, exits, distances, and services.
Sign
Meaning
Driver Action
Highway Exit Signs
Upcoming highway exits.
Get ready to exit.
Interstate Signs
Red, white, and blue shields showing interstate routes.