District of Columbia Practice Tests for Your D.C. Driver License



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#1. Anti-lock brakes reduce the chances of a skid occurring particularly when:

Anti-Lock Braking Systems (ABS) are designed to prevent your wheels from locking up when braking. This will prevent skidding and allow you to steer during an emergency braking situation.


#2. What should you do when overtaking a motorcycle?

A motorcycle is entitled to use the entire lane. Allow ample room for the motorcycle when passing and remember it is against the law to overtake or pass a motorcycle within the same lane.


#3. The shape of a do not enter sign is:

Do not enter.

The sign marks a one-way roadway with traffic coming against you. You must not enter from the direction you are traveling.

Remember, this is a square sign with a white horizontal line inside a red ball. The sign is not circular, which you may be led to believe by some illustrations in the DC driving manual.


#4. With a valid class D driver's license, you may drive:

With a Class D driver license you may operate vehicles with a gross vehicle weight rating (GVWR) less than 26,001 pounds for non-commercial use, mopeds and 15 passenger vans seating up to fifteen (15) passengers.


#5. Adult passengers in a car must always wear safety belts:

The District of Columbia law requires that the driver and all passengers wear seat belts in passenger cars, trucks, tractors, multi-purpose vehicles or passenger buses. A person may not operate any of these vehicles unless the operator and each occupant is wearing a seat belt.


#6. If your vehicle begins to hydroplane, you should:

Chances of hydroplaning increase as speeds increase.

As soon as you feel any loss of control, take your foot off the gas pedal. Hold the steering wheel firmly in the direction you intend to go. Allow your vehicle to slow until you regain complete control.


#7. What does a solid yellow line on a two-lane road indicate?

A solid yellow line marks a no-passing zone. If the solid yellow line is on your side of the road, do not pass. Pass only if there is a broken line on your side.


#8. Which of the following is a common mistake while driving?

Avoid staring directly in front of your car. Keep shifting your eyes from one area of the roadway to another, near and far left and right. You should be constantly aware of the road and the other vehicles around you.

Leave as much space between your vehicle and the one ahead as you possibly can.


#9. You see this sign beside the road, you should:

Traffic signal ahead.

Slow down and be ready to stop at the signal ahead.


#10. What is the first thing you should do if your gas pedal sticks?

If your accelerator pedal sticks shift to neutral, apply the brakes, and pull off the roadway and stop.


#11. What color are traffic signs that show construction and maintenance warnings?

Orange is used for construction and maintenance work area warning. Most signs used in highway and street work areas are orange and diamond shaped.


#12. What should you do at the first sign of rain or snow?

Slow down at the first sign of rain, drizzle, or snow on the road. Turn on your windshield wipers, headlights, and defroster.


#13. What does this sign mean?

The five-sided sign is used to warn of schools and school crossings.


#14. What does this sign mean?

Road curves gradually to the right. Be prepared for the change in direction.


#15. You approach a stopped school bus on your side of an undivided highway with four lanes. The bus is displaying alternating flashing red lights. In this situation, you must:

When a school vehicle is stopping or has stopped on the roadway, and is operating the alternating flashing red lights, all vehicles must stop at least 20 feet from the front or rear of the school vehicle. No one can proceed until the alternating flashing red lights have been turned off.

Drivers on the other side of a divided highway are not required to stop.


#16. If your vehicle stalls in the path of an oncoming train, you should get away from the tracks and move in what direction?

If there is a train coming, get out of the vehicle and run along the side of the tracks toward the train, to avoid being struck by the debris from the accident.


#17. U-turns at intersections controlled by traffic lights are:

In the District of Columbia, U-turns are prohibited at intersections controlled by traffic lights or police officer, or on a crosswalk adjacent to such an intersection.


#18. When a traffic signal is showing a flashing red light, you must:

A flashing red signal light means stop.

You must come to a complete stop, yield to all other traffic and to pedestrians. Proceed when the way is clear.


#19. A driver is preparing to cross a sidewalk when a pedestrian is approaching. Who must yield?

Any vehicle crossing a sidewalk must yield to all traffic on the sidewalk.


#20. When should you use your high-beam headlights?

Use your high beam headlights whenever possible in open country or dark city streets whenever needed to see persons or vehicles ahead.

Dim your lights when necessary. Do not use high beams in fog, heavy rain, or snow.


#21. When approaching a stationary emergency vehicle with flashing lights, you should:

If practical and it is safe to do so, you should make a lane change into a lane away from the emergency vehicle. Otherwise, you should reduce your speed and provide as much space as practical to the emergency vehicle.

In all states you are required by law to move over to another lane if you can do so. Washington D.C. is the only area in the nation that have yet to pass a Move Over Law.


#22. When there is an oncoming car to your left and a child on a bicycle to your right on a two-way road, you should:

Instead of driving between the vehicle and the child, take one danger at a time. The smart driver quickly sizes up the situation, realizes that there are several different things he or she might do and decides to do the thing that involves the least risk.

Remember, if you are unable to safely pass, reduce your speed, follow the bicycle, and wait for a safe opportunity to pass.

Avoid the use of your horn.


#23. What does the general speed restriction mean?

District of Columbia traffic laws provide both a general speed restriction and specific speed limits. You must obey both.

The general speed restriction, or the basic speed law, means that you may not drive on a highway at a speed greater than is reasonable under the existing conditions, considering the actual and potential hazards.


#24. Whenever you stop your car and go into a store to make a quick purchase, you:

When parking and leaving your vehicle on a highway or a street, you must stop the engine, lock the ignition, remove the key, and set the parking brake. It is also advisable to raise the windows and lock the doors


#25. Which of the following acts could be aggressive driving?

A single act, such as tailgating another driver, passing on the shoulder or running a red light could be seen by a law enforcement officer as aggressive if the officer believes the action is willful and places others in danger. A combination of acts, such as speeding, cutting off other vehicles, swerving toward another motorist, honking, flashing headlights, yelling, and using inappropriate hand gestures can also be considered aggressive driving.

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The Standard Non-Commercial License Practice Test

The standard knowledge test has 25 questions. This is the test DMV gives you if you are 20 years or older and not part of the Gradual Rearing of Adult Drivers (GRAD) program.

The GRAD program is designed for novice drivers (16 – 20 years of age) to safely gain driving experience before obtaining full driving privileges.

To practice for the written knowledge test if you are under 21 years, you should go here: DMV Practice Tests for Your GRAD Permit

What You Should Know about the D.C. Driver Knowledge Tests

Things you should know about your D.C. Driver License test:

Number of Questions: 25 (standard non-commercial)
30 (GRAD or Learner Permit Knowledge)
Correct answers needed: 20 (standard non-commercial)
24 (GRAD or Learner Permit Knowledge)
Passing score: 80 percent
Time limit: 60 minutes (standard non-commercial)
75 minutes (GRAD or Learner Permit Knowledge)
Earliest retest upon failure: 4 days
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