Alabama: DMV Practice test - Practice Test 2

To stay aware of hazards, you should scan the road and check your rearview mirrors every two to five seconds. Constantly staring at just the road ahead of you is dangerous. If you must drive in foggy conditions, you should use your low beam headlights, not your high beam headlights.

This sign is displayed on slow-moving vehicles.

Signs with a red circle and diagonal line over a black symbol indicate the the action represented by the symbol is prohibited. In this case, the sign indicates that right turns are prohibited.

An octagonal sign always means stop. When approaching a stop sign, you must come to a complete stop at the marked stop line and proceed only when it is safe to do so. If there is no stop line, stop before the crosswalk. If there is no crosswalk, stop before the intersection at a point from which you can see any oncoming traffic.

If you are being followed too closely by another driver, merge into a different lane. If there is no lane available for merging, wait until the road ahead is clear and slowly reduce your speed. This will encourage the tailgater to drive around you.

A driver's ability to safely operate a vehicle may be impaired at any BAC level, even a level lower than the legal limit. Any amount of alcohol can affect one's judgment and physical coordination. Driving under the influence of even a small amount of alcohol can lead to criminal charges.

Warning signs are usually yellow with black markings. They alert you to conditions that are immediately ahead. These signs may be accompanied by speed advisory plaques that indicate the speed with which you should proceed.

A round sign always indicates that you are approaching a railroad crossing.

When driving, watch for warning signs of fatigue. You are too tired to drive safely if you are struggling to keep your eyes open, drifting from your lane, or turning up the radio and rolling down your windows to keep yourself awake. If you notice these signs, it is a good idea to find a safe place to park so you can refresh yourself with a short nap.