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



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#1. This sign tells you:

No U-Turn.

You cannot make a complete turn to go in the opposite direction where this sign is displayed.

Remember that a red circle with a slash means no. The sign shows you what is not allowed.


#2. When your view is obstructed, the law prohibits passing another vehicle:

Do not pass when the view is obstructed upon approaching within 100 feet of any bridge, viaduct, or tunnel.


#3. It is important that you always allow more space than normal in front of your vehicle when following:

If you cannot see the truck driver’s rear-view mirrors, there is no way the truck driver can see you. Tailgating a truck is dangerous because you take away your own cushion of safety if the vehicle in front of you stops suddenly.

Increase your following distance and position your vehicle so the truck driver can see it in the side mirrors, then you will have a good view of the road ahead and the truck driver can give you plenty of warning for a stop or a turn.


#4. The driver in front of you signals (left arm extended horizontally out of open window):

Left turn – left arm extended horizontally out of open window.


#5. In which situation are you allowed to overtake a school bus?

You may overtake a school bus if it is in motion and no red lights are flashing.


#6. When driving in heavy rain, you should use:

Use the low beams in fog, or when it is snowing or raining. Light from high beams will reflect, causing glare, and make it more difficult to see ahead.


#7. On a road with lanes separated by white lines:

White lines are used as right edge lines on roadways and to delineate the separation of traffic flow in the same direction.


#8. If you are in an intersection when an emergency vehicle with flashing lights approaches from behind, you should:

When you hear or see authorized emergency vehicles, such as police cars, ambulances, and fire engines, you must yield the right-of-way and immediately drive to the curb and stop. You must remain stopped until the emergency vehicle has passed. Never stop in an intersection or roundabout.


#9. Where is a U-turn illegal?

U-turns are illegal on a one-way street (you will be driving against traffic).


#10. Which car or cars are driving in the truck's blind spots?

The yellow (A) car and the red (B) car. Marked areas are the driver’s blind spots.

Trucks have large blind spots, up to 20 feet in front of the cab, on either side of the tractor trailer, particularly along the sides of the cab, and up to 200 feet in the rear.


#11. Orange road signs indicate:

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. When you park on a hill headed downhill and there is no curb, you should turn your front wheels:

Headed downhill with no curb, turn the wheels to the right or side of the road, so the car will roll away from the center of the road if the brakes fail.

Remember, when you park on a hill, the general rule is to turn your wheels sharply towards the side of the road or curb. This way, if your vehicle starts to roll downhill, it will roll away from traffic. However, when headed uphill at a curb, you should turn the front wheels in the opposite direction, away from the curb and towards the road. Then, let your vehicle roll backwards until the back of your front wheel touches the curb. The curb will stop your car from rolling into traffic.

Study the diagram provided in your driver’s handbook.


#13. When two vehicles from different directions arrive at the same time at an intersection where there are no signs or signals, which one should yield?

When two cars enter an open intersection (without traffic control signs or signals) at the same time, the driver on the left must yield to the driver on the right.


#14. Which light indicates that you may make a protected turn (oncoming traffic is stopped by a red light)?

Proceed with caution only in the direction the arrow points. Remember that you must yield to all pedestrians and vehicles already in the intersection.

When the green arrow is shown in a left-turn signal, it means that opposing traffic is stopped. This is known as a protected turn.

Remember, the green arrow does not mean that all other traffic is stopped by a red light.


#15. What does this sign mean?

Sharp turn. There is a sharp turn to the right in the road ahead.

The turn is too sharp to take at the regular highway speed. An advisory speed sign may be attached.


#16. If you drive in an imprudent manner that endangers any property or the life of any individual, you are guilty of:

A person is guilty of negligent driving if he or she drives a motor vehicle in a careless or imprudent manner that endangers any property or the life of any individual.

Note the difference between negligent and reckless driving.


#17. What should you expect ahead when you see this sign?

Stop sign ahead. When you come to this sign, you should slow down and be ready to stop at the stop sign ahead.


#18. If you have a tire blowout while driving, you should:

If your tire blows out do not apply the brakes. Grip the steering wheel tightly and let the vehicle slow gradually. Look for a safe place to drive off the road. Wait until the vehicle is almost stopped. Signal a turn to the right and pull the vehicle safely onto the shoulder.

Remember, it is dangerous to brake or steer off the road before your vehicle is under control.


#19. What does this sign mean?

Side road. A side road enters the highway from the direction shown. Adjust your speed so you can see any vehicles entering or exiting from the side road.

Note: Some versions of the manual have incorrectly shown the added lane sign together with this text for a side road sign.


#20. Night driving is more dangerous than daytime driving because:

Night driving is more difficult than day driving, and it is more dangerous. You cannot see as far ahead, and you will have less time to stop for a hazard.

Be careful when you leave brightly lit areas. Glare causes the pupils of the eyes to contract and it takes time for them to readjust to less intense light.

Per mile driven, the fatal accident rate at night throughout the nation is two-and-one-half times as high as during the day.


#21. 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.


#22. It is dangerous to turn your vehicle's ignition to the lock position while the vehicle is still in motion. Why is this?

Never turn your vehicle’s ignition to the lock position while it is still in motion. This will cause the steering to lock and you will lose control of your vehicle.


#23. If you reach 12 points on your driving record, your driver's license will be automatically:

If you accumulate 12 or more points, your DC license will be revoked, and you will not be eligible for reinstatement for six months.


#24. At a railroad crossing, trains must be given the right-of-way:

You must yield to train traffic. Trains cannot stop quickly. Trains are always moving much faster than they appear from a distance so drivers should never try to beat one.


#25. What is a suitable restraint system for a child 13 years old?

The law requires that all children ages 8 and older, as well as all adults, wear seat belts at all times.

See result

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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