This sign indicates that U-turns are prohibited.

Work zones on highways have become increasingly dangerous places for both workers and drivers. When approaching a work zone, watch for materials such as cones, barrels, signs, large vehicles, and workers in brightly colored vests to warn you and direct you.

At a railroad crossing marked with this sign, a driver should look both ways, listen for any trains, and be prepared to stop if any trains are nearby. Never try to outdrive an oncoming train.

When parking uphill on a road that does not have a curb, your front wheels should be turned to the right (toward the edge of the road). This will ensure that the vehicle will roll off of the road if the brakes fail.

You should always slow down before entering a curve. You may not be able to see hazards ahead and braking in a curve may cause your vehicle to skid.

Always be aware of pedestrians near your vehicle. You must do everything you can to prevent striking a pedestrian, regardless of the circumstances.

Your safety and the safety of other drivers and pedestrians depends a lot on what you do before driving. Before moving your vehicle, you should adjust your seat, adjust your mirrors, fasten your safety belt, and secure items in and on your vehicle. Do not wait until your vehicle is moving to adjust your mirrors.

Warning signs are usually yellow with black markings. This sign warns that the divided highway ends ahead. Prepare to change lanes or shift lane position.

Reduce your speed and be prepared to slow down or stop for highway equipment. Driving carefully through work zones improves safety for drivers, pedestrians, bicyclists, and road workers.

Every 0.02 percent increase in blood alcohol concentration nearly doubles a driver's risk of being in a fatal crash.

A five-sided sign is used to alert drivers to a school zone. Some pentagonal signs specifically indicate crosswalks within school zones where children or other pedestrians may be present.

This orange warning sign tells drivers that an area of roadwork is upcoming. When traveling through a work zone, stay alert for temporary traffic control devices.

Double parking is prohibited by law.

Warning signs are usually yellow with black markings. This sign indicates that there is a steep hill ahead. Slow down and be ready to shift to a lower gear to control your speed and protect your brakes from damage.

Driving above the speed limit, driving too far below the speed limit, and driving too fast for conditions are all actions that commonly contribute to traffic accidents. Always drive with the general flow of traffic, within legal speed limits.

Looking at the steering wheel as a clock face, drivers should place the left hand at 9 o’clock and the right hand at 3 o’clock.

When passing is permitted, look for both headlights of the passed vehicle in your rearview mirror. Only then may you safely return to your original lane.

Continuous hard braking on snow and ice can result in the locking of the front brake, causing a loss of steering. To avoid the need for excessive braking, make sure to maintain an appropriate speed for conditions.

Warning signs are usually yellow with black markings. This sign indicates that there could be traffic merging from the right, so drivers should prepare to allow traffic to safely merge.

To prevent yourself from becoming an aggressive driver, concentrate on driving and don't take the actions of other drivers personally. Be realistic about your travel time, drive within posted speed limits, and be forgiving of other drivers using the roadway.

This sign warns of the possible presence of merging traffic.

The Implied Consent Law means that, by driving a vehicle in Tennessee, you give your consent to be tested to determine the drug or alcohol content of your blood.

Warning signs provide notice to road users of a situation that might not be readily apparent and are usually yellow with black markings. This sign alerts drivers to the right lane ending and tells them to prepare for potential merging traffic.

Driving more slowly than other traffic can be dangerous. Drivers behind you may become impatient and will be tempted to take dangerous risks to pass you.

If it feels like your tires have lost contact with the surface of the road, you should ease your foot off the gas pedal and stay off the brakes. Do not try to stop or turn until your tires are gripping the road again.

You must activate your turn signal at least 50 feet from the place where you plan to turn.

If your vehicle enters a skid, you should take your foot off of the brake and steer in the direction that you want to go. For example, if the rear of your vehicle is skidding to the left, you should steer to the left. This will help bring the front of the vehicle in line with the rear, thereby straightening out the vehicle's overall direction.

Legal medications, both prescription and over-the-counter, can potentially impair your ability to drive. Always consult with your doctor or pharmacist if you have questions about how a particular drug or drug combination will affect your ability to drive. You should particularly make a point of talking with your doctor if they give you a prescription for a tranquilizer or sedative.

Your suspension helps you control your vehicle and provides a comfortable ride over varying road surfaces. If your vehicle bounces a lot after driving over a bump, or is generally hard to control, you may need new suspension parts.

Safe use of the interstate demands drivers be constantly alert and capable of driving at high speeds.