Driver's Prep - Free DMV tests

Free DMV Practice Tests for District of Columbia

District of Columbia DMV Knowledge Test – Quick Facts

What You Should Know
  Number of questions on exam: 25 (non-GRAD)
30 (GRAD)
  Passing score: 80 percent
  Correct answers to pass: 20 (non-GRAD)
24 (GRAD)
  Allotted time to complete test: 60 min. (non-GRAD)
75 min. (GRAD)
  Wait time before retest: 3 days


This Practice Test
  Number of questions on each practice test: 25
  Question pool: 500+
  Each test is random



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#1. What does this sign mean?

Divided highway ahead (divided highway begins).

The highway ahead is divided into two one-way roadways. Keep to the right.


#2. When you proceed straight ahead on a solid green light, you must:

A steady green traffic light means go. Proceed with caution after you have checked first to see that other vehicles have cleared the intersection. Do not enter the intersection if you will block traffic.

When it is safe to proceed, you may enter the intersection to go straight ahead or turn unless a sign or additional signal prohibits the turn. You must yield to pedestrians and vehicles already in the intersection.


#3. Which is one factor that greatly affects your stopping distance?

Your actual stopping distance will depend upon many factors, including:

  • Your perception and reaction time.
  • Type and condition of the pavement.
  • Percentage of grade of roadway.
  • Kind and condition of tire treads.
  • Vehicle design and condition of shock absorbers.
  • Type and condition of brakes.
  • Direction and speed of the wind.

Note: a posted speed limit does not affect the stopping distance, only your actual speed does. Speed limits do not tell you at what speed you should drive. They only say you cannot go faster than the speed shown.


#4. If you run off the pavement, you should:

If you run off the road, do not panic. Take your foot off the accelerator. Brake carefully or not at all. Grip the steering wheel tightly. Do not try to get back on the roadway until you have the vehicle completely under control. Speed should be 15 mph or less. Look for traffic behind you and beside you. Then turn the wheels sharply toward the roadway.


#5. This sign added to a stop sign means:

This sign means traffic from all directions must stop. The first driver to stop is the first driver to go. Other drivers must wait their turn. You also may see 3-WAY, 4-WAY or 5-WAY signs.


#6. Which is true about following another vehicle too closely?

Most rear-end collisions are caused by following too closely. Leave as much space between your vehicle and the one ahead as you possibly can to allow for a sudden stop.


#7. The best way to tell if you are permitted to pass other vehicles is to see if:

Broken yellow lines indicate that passing is permitted if it is safe to do so. Yellow solid lines indicate that passing is prohibited.


#8. 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


#9. Which of the following must you obey over the other two?

You must follow orders of police officers, the direction of firefighters in emergency situations, the direction of flaggers in work zones, and any authorized school crossing guard.

Remember, school-crossing guards, have the authority to stop, control and guide vehicular traffic.


#10. Your driver's license will be automatically suspended for 90 days when you reach the following number of points on you driving record:

If you accumulate 10 or 11 points, your DC license will be automatically suspended, and you will lose your driving privileges for a period of 90 days.

The Director or hearing examiner may also order the suspension of a person’s license when the number of points accumulated reached a total of eight (8) or nine (9) points.


#11. When passing another vehicle, you may exceed the speed limit:

You must obey speed limits. If you must speed to pass, you probably do not need to pass.


#12. What should you do when you approach a railroad crossing?

Advance warning signs are posted before you reach the crossing and tell you to slow down, look, listen, and be prepared to stop at the crossing ahead. When approaching a railroad crossing that does not have any warning system it is especially important to slow down, look and listen for any sign of an oncoming train and then stop before the tracks if there is one coming.


#13. When must you use your headlights?

By law, you must turn on your headlights one-half hour after sunset and one-half hour before sunrise.

You must turn on your headlights at other times when you cannot see persons or vehicles on the highway clearly at 500 feet or less.

You must also turn on your headlights when the windshield wipers are on.


#14. This sign tells you:

This is a curve sign together with an advisory speed sign.

Advisory speed signs have black letters on a yellow or orange background and often are shown under a warning sign.

Advisory speed signs are posted along portions of highways to warn you that conditions may often make it unsafe to drive faster.

Although an advisory speed sign does not have the force of law, if you exceed it and have an accident, it may be concluded that you violated the general speed restriction and are subject to a ticket.


#15. When making a left turn on a two-way street with multiple lanes, you should complete the turn in:

Always finish turning in the proper lane. Enter the left lane going your way. Do not cut the corner or turn so wide that you get into the right lane going your way.


#16. Which background color is used for signs that indicate stop or wrong way?

All red signs are regulatory signs and must be obeyed. They indicate stop or prohibition and include signs like stop, yield, do not enter and wrong way.


#17. What is most important when you adjust to a safe speed?

Posted speed limits do not tell you at what speed to drive. They only tell you what the maximum legal speed is under ideal conditions. By law, you must go slower if conditions make the posted speed limit unsafe. Your speed should depend on things like traffic, road condition, weather, visibility, and the presence of bicyclists or pedestrians.


#18. If your car starts to skid, what is the most common cause?

Skids are mainly caused by drivers traveling too fast for conditions. The best policy is to keep a skid from happening. Slow down to a speed at which you can control the car.


#19. When you exit a roundabout, you must:

Maintain a slow speed upon exiting a roundabout. Always indicate your exit by using your right turn signal. On roundabouts having a wide roadway, watch for vehicles to your right, including bicycles, whose paths you may cross while exiting.

Remember, do not change lanes in the roundabout. Exit in the lane you entered.


#20. What parts of a road might hold frost and ice while the rest of the road is dry?

In winter weather, every stretch of the road may be different depending upon sun, shade, the amount of salting being done and other conditions. Ramps and bridges freeze first before highways and roads. They also dry out last


#21. When a school bus with flashing red lights is stopped on the other side of an undivided roadway with two lanes, 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.


#22. A bicycle rider:

Bicycles are treated as vehicles in District of Columbia. Bicyclists have rights and duties like those of a motor vehicle.

Bicyclists must ride with the flow of traffic and as near to the right side of the road or street as is safe and practical.


#23. What does this sign mean?

Side Road.

Side road enters highway ahead at an angle.


#24. Which of the following practices may help you save money on fuel?

By driving carefully, you will get better gas mileage and save money on fuel. Accelerate gradually. Drive smoothly and at moderate speeds. Anticipate stops to minimize hard braking. Avoid unnecessary driving. Combine trips and carpool when possible.


#25. Wearing earplugs in both ears while driving:

A person may not wear earplugs, a headset, or earphones attached to a radio, tape player, CD player or other audio device while driving a motor vehicle.

Use of earphones or earplugs for cellular phones are acceptable.

Hearing aid devices are also acceptable.

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District of Columbia DMV Sample and Practice Tests

This 25-question sample test addresses the non-grad knowledge test, which includes all questions about road signs, traffic signals, D.C. traffic rules, safe driving, and common courtesy on the road.

The official 30-question GRAD test contains additional questions about the graduated licensing program. If you are under 21 years and must completed the graduated licensing steps, you must pass the 30-question test. You can find an example of this test at – DMV Practice Test for Permit or check your knowledge of the D.C. graduated licensing program here

Each Sample Test is Random

Each driver’s license and learner’s permit test at Driver’s prep has 25 random questions drawn from a larger pool of questions. This means that every test is different and that you are likely to see new questions when you restart the test.

After each question, you will get instant feedback. If your answer is incorrect, there is also a brief comment that explains the correct answer. Remember that all answers on the official examination is found in the D.C. Driver’s Manual.

The passing score in District of Columbia is 80 percent, which means you must answer at least 20 of these 25 DMV questions correctly. Aim a little higher when you are studying and preparing for the exam. You have a much better chance of passing the examination, if you can reach a score of 100%.

You Should Always Read the D.C. Driver’s Manual

Studying the D.C. Driver’s Manual is a must for successfully passing the driver knowledge test.

You can get a PDF-version of the manual online from or from your local Service office .

Always start by reading the manual. Then, use these practice tests to check how much you have learned and if you are ready for the real exam or not.

Don’t use the practice tests instead of the manual, even if friends and some less committed websites suggest such a strategy. The best way to learn is to put the rules of the road in a context and not simply try to memorize questions and answers.

Learn more about How to Study for the driver test.

We help you pass your DMV exam

Who Must Pass the District of Columbia Driver’s License Test?

  If you never been licensed before, you must always pass the written knowledge test.

  In District of Columbia, foreign Nationals with a valid out-of-country or out-of-state driver license must also pass the knowledge examination.

  If you have a DC driver license and let it expire for more than 90 days, you must take the knowledge examination again. Should you let your license expire for more than 180 days, you must take and pass both the knowledge test and the road test.

  When DMV has revoked your driver’s license and you want it back, you must apply for a new license and take all necessary tests again.

Driver's License - District of Columbia

Things to Know about the Knowledge Examination

The driver examination checks your knowledge of traffic laws, road signs, and driving safety rules. The knowledge test will show if you can drive a vehicle in accordance with D.C. law.

The knowledge test consists of several highway signs. The DMV examiner will also check to see if you pay attention to the signs during the driving test. This is why you should learn all common highway signs and know how to act when you see one.

District of Columbia - DMV Test Questions


You can take the driver license knowledge examination at any DMV service center. There is no need for and appointment, DMV offers all testing on a walk-in basis. Tests are available in the following languages: Amharic, Arabic, Cantonese, English, French, German, Japanese, Korean, Mandarin, Portuguese, Russian, Spanish, Tagalog, Thai, and Vietnamese.

If you need help with reading, you can get an audio assisted test. Ask for a headset before you take the exam.

If you fail the official knowledge test, you must wait at least 72 hours (3 days) before you can take it again on the 4th day.

Should you fail your knowledge test six (6) consecutive times, you must wait one year from the date you failed the first test.

You must pay a new testing fee each time you take the knowledge test. So, it is a good idea to try to pass it the first time by preparing well.

If you are under 21 years and follow the graduated licensing steps, the official knowledge test has 30 questions. If you are 21 years or older, the test has 25 questions.

The passing score is 80%. On the GRAD test with 30 questions, you must correctly answer 24 questions. On the 25-question test for applicants over 21 years, you must correctly answer 20 questions.

You must wait at least 3 days and can retake the test on the 4th day.

COVID-19 Alerts

COVID-19 Safety Information

All Service Centers are operating on an “Appointment Only” basis. this includes knowledge tests and road skills tests.

Customers can schedule an appointment online , or by calling 311 or (202) 737-4404.

All documents expiring on and after March 1 are extended until 45 days after the public health emergency concludes, including:

  • driver licenses (renewals and first-time licenses)
  • learner permits
  • non-driver identification cards (renewals and first-time IDs)
  • vehicle registrations (renewals and first-time registrations)
  • inspections
  • ticket payments
  • ticket adjudication responses

All driver licenses, vehicle registrations, and vehicle inspections scheduled to expire have been granted a waiver without penalty until DC DMV reopens at full operating capacity.


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