This sign warns that especially slippery conditions exist when the road is wet.

You should never start a left turn until you can see that all the lanes you need to cross are clear and that you can safely make the turn.

Round signs warn drivers of an upcoming railroad crossing area. Drivers should use extra caution when approaching a railroad crossing.

Using a cell phone (including a hands-free phone) or any kind of audio device (including a radio or CD player) can be a dangerous distraction and contributes to the risk of a crash.

If you must drive below 40 mph on a limited-access highway, you should use your hazard (four-way) flashers to warn the drivers behind you.

As alcohol builds up in your system, it will slow your reactions, make you feel more confident, and cause you to make more errors.

If your vehicle breaks down on the highway, you should signal before carefully exiting the roadway and turning on your hazard flashers. Get as far off the road as possible and park in a location where other drivers can easily see you. Lift your hood to let other drivers know your vehicle is disabled.

On dry pavement, you should generally allow a cushion of at least four seconds between you and the vehicle ahead.

Even if you are not driving, your driving privilege will be suspended if you are under 21 years of age and are convicted of possessing alcohol, lying about your age to obtain alcohol, or carrying a false ID card. If you are under 16 years of age, your suspension will not begin until your 16th birthday.

If you are under age 21 and are convicted of driving under the influence, you will be subject to the penalties for the "high rate" of blood alcohol concentration (BAC), regardless of your actual BAC. These penalties include a 12-month license suspension for the first offense.

Drugs (including illegal, prescription, and over-the-counter medications) can affect your brain function and impair your ability to drive safely. Combining alcohol with other drugs will increase the risk of a crash.

When the road is wet or slippery, when you cannot see well, or when anything else makes conditions less than perfect, drive below the posted speed limit. Even if you are driving within the posted speed limit, you can still be ticketed for driving too fast for conditions.

Unless a posted sign prohibits it, you may turn right or left at a steady green light. When turning, you must yield to other vehicles and pedestrians within the intersection.

Before passing, you should signal early enough for other drivers to know your plans in advance.

This sign indicates that the road ahead changes direction at an extreme angle (in this case, to the right). Before you reach such an extreme curve, you should slow down as much as you would when making a turn at an intersection.

A double solid yellow line down the center of a two-way road means that it is prohibited for traffic from either direction to cross the center to pass.

Teenage drivers are more likely to have a crash when they are traveling with other teenagers as passengers than when they are driving alone or with adult passengers.

A flashing red traffic signal has the same meaning as a stop sign. At an intersection with a flashing red light, you must come to a complete stop, look both ways, and proceed only after the intersection is clear.