Tailgating a truck reduces your visibility and increases the risk of accidents since the driver cannot see you.

At railroad crossings with this sign, always look both directions and listen carefully for approaching trains. Be ready to stop and never try to beat a train across the tracks.

A red circle with a slash across a symbol means the pictured action is not allowed—here, it prohibits right turns.

Always approach railroad crossings with caution. Be extra aware if you’re behind vehicles like school buses or trucks carrying hazardous materials, as they must stop at crossings.

The first 30 minutes of rain are particularly hazardous. Rain mixes with road oils, making the surface very slick. Drive with extra care during this time.

Five-sided, pentagon-shaped signs signal the presence of a school zone or crossing area. Reduce speed and watch for children.

Be mindful that any type of medication, whether prescribed or over-the-counter, can impair your driving. For example, over-the-counter cold and allergy medications can make you drowsy. It’s important to understand how any medication might affect your ability to drive.

This sign warns about a steep downhill grade ahead. Slow your speed and shift to a lower gear to maintain control and reduce brake strain.

Yellow warning signs with black markings indicate upcoming hazards or changes in road conditions. Round signs are used exclusively to warn of railroad crossings ahead.

This sign means right turns are forbidden. Turning right at such a posted intersection is both unsafe and illegal.

A BAC of 0.08% or higher is illegal for drivers aged 21 and older. Alcohol impairs driving ability, making it unsafe for the driver and others on the road.

Temporary signs in construction zones feature orange backgrounds with black text and/or symbols.

Keep both hands on opposite sides of the steering wheel—this is the safest and most comfortable position, especially at higher speeds and during quick maneuvers.

Yellow and black warning signs highlight unseen hazards. This one alerts you to a steep downgrade ahead—reduce your speed to maintain control and protect your brakes.

If you are inside an intersection when the light turns yellow, you should continue through the intersection quickly and safely.

You cannot block an intersection, even with a green light, unless you can clear it before the light turns red.

Never change lanes while driving through an intersection. Always check your blind spot before switching lanes, and watch for others trying to do the same.

A flashing red light functions just like a stop sign: come to a complete stop, yield to others, and proceed only when safe.

This sign warns a driver of a change in direction or a narrowing of the road. A driver may find several of these signs on the outside of a sharp curve or on approaches to a narrow bridge.

A steady green light means you can proceed through the intersection. However, always yield to any vehicles or pedestrians already in the intersection before moving forward.

Yellow warning signs like this one alert drivers to a winding road ahead—prepare to navigate multiple turns.

Driving while using a cell phone is risky—it distracts your eyes, hands, and attention. Even skilled drivers increase crash risks when using a phone.

Always stop at a crosswalk to yield the right-of-way to any pedestrians or vehicles already in the intersection. You may proceed only if your lane is completely clear.

All roads are slippery and dangerous when wet. This sign warns of conditions that can cause a driver to lose control of a car. A driver should slow down when coming upon wet pavement because it takes longer to stop.

This sign indicates that there is a crossroad ahead.

This sign alerts you to a steep hill or downgrade coming up. Make sure to check your brakes before going downhill.

A downward-pointing triangle indicates a yield. Reduce speed and prepare to stop if needed. Stop at the line if it exists.

When there are both solid and dashed yellow lines between lanes, only vehicles next to the dashed line may pass. Vehicles near the solid line must remain in their lane.

A triangular yellow sign with black lettering indicates a no passing zone. It will appear on the left side of a two-way, two-lane roadway at the beginning of an area where prohibitive pavement markings are also used.

Visibility drops at night due to limited lighting and glare. Drive with your headlights on and remain cautious when it’s dark.

Kids on bicycles can behave unpredictably, especially when changing direction suddenly. Because of their size, both children and bikes can be hard to see.

These signs often include speed advisory plates suggesting a safe speed due to upcoming hazards or curves. Follow the recommendation for your safety.

Yellow signs with black symbols warn about curves ahead—this one shows a right turn coming up.

A triangle-shaped sign pointing downward is always a yield sign. Slow down and be ready to stop if necessary when approaching it.

A five-sided sign indicates you’re near a school. Watch out for children in the crosswalk.

You can legally pass on the right if the vehicle ahead is turning left and there’s enough road space, or if you’re on a multi-lane road with traffic moving in the same direction.

To merge safely, look for a large enough opening in traffic. Only stop on an entrance ramp if no safe gap is available.

In fog or mist, using high beams is unsafe because the light will reflect off the moisture and impair your vision. Use low beams instead.

This sign is displayed on slow-moving vehicles.

This pedestrian crossing warning sign means you must stop and remain stopped if someone is walking in the crosswalk until they have safely crossed.