Free DMV Practice Tests for District of Columbia
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#1. If you encounter an aggressive driver on the road:
How to protect yourself from aggressive drivers:
- Get out of the way and let an aggressive driver pass.
- Do not challenge an aggressive driver.
- Avoid eye contact.
- Always be a courteous driver.

#2. If you encounter a flooded roadway, you should:
Do not drive through flooded areas. If you see a flooded roadway ahead, turn around and find another route to get to your destination.
Even if the water appears shallow enough to cross, do not attempt to cross a flooded road. Water can hide dips, or worse, floodwaters can damage roadways by washing away the underlying road surface.

#3. This sign tells you:
Winding road. The road ahead is winding with a series of curves or turns. Adjust your speed.

#4. Passing another vehicle to the right on the shoulder is:
You cannot drive on the shoulder of the road to pass another vehicle. You must stay on the traveled portion of the road.

#5. When you see a sign with this shape and color, you must:
The stop sign is the only 8-sided sign you will see on the highway. When you come to a stop sign, you must make a complete stop at the stop line. If there is no stop line, stop at the crosswalk. If there is no crosswalk, stop before entering the intersection.
Before starting, you must yield the right-of-way to any vehicle or pedestrian.

#6. What does this sign mean?
Road curves gradually to the right. Be prepared for the change in direction.

#7. What is true about Anti-Lock Brakes (ABS)?
With ABS you should press down hard on the brake pedal, hold it, and steer the vehicle in the direction that you want it to go.
Do not pump the brakes. Removing steady pressure from the brake pedal or pumping the brakes will disengage or turn off the system.

#8. 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.

#9. What shape is a regulatory speed limit sign?
Vertical rectangular signs are generally used to give instructions or tell you the law. In the horizontal position, the signs may give directions or information.

#10. If you have a driver's license and move, you must report your new address within:
Residents are required to update change of address with the Department of Motor Vehicles within sixty (60) days.
Note: Old rule said 5 days.

#11. The driver in front of you signals (left arm extended horizontally out of an open window ):
Left turn – left arm extended horizontally out of an open window .

#12. When using an extinguisher to put out a car fire:
When using the extinguisher, stay as far away from the fire as possible. Aim at the source or base of the fire, not up in the flames. Position yourself upwind. Let the wind carry the contents of the extinguisher to the fire rather than carrying the flames to you.

#13. You have a green light, and vehicles are blocking your way into the intersection. What should you do?
Remember, you may proceed with caution after you have checked first to see that other vehicles have cleared the intersection.

#14. Trying to beat a truck to a highway exit is dangerous because:
Trucks take longer to stop than a car traveling at the same speed. Cutting into the open space in front of a truck removes the truck driver’s cushion of safety. Take a moment to slow down and exit behind a truck. It will only take a few extra seconds.

#15. Usingstay-awake drugs while driving:
Do not depend on stay-awake drugs. They are apt to make your driving even more hazardous.

#16. The risk of hydroplaning increases:
Chances of hydroplaning increase as speeds increase.
At speeds up to 35 mph, most tires with tread will wipe the road and keep traction. As speed increases, the wiping action of the tires becomes less effective.

#17. What does a sign with a white diamond symbol usually indicate?
A diamond-shaped marking shows that a lane is reserved for high occupancy vehicles. The sign means the lane or lanes indicated are reserved for buses and vehicles with the minimum number of occupants specified on the sign.

#18. When you see a truck with an oversized load ahead of you, you should:
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.

#19. When should you use your horn?
You may use your horn when reasonably necessary to ensure safe operation. Sound your horn only to warn a pedestrian or the driver of another vehicle of your presence and to avoid accidents.
The horn is not intended to take the place of brakes.
Do not use your horn to alert a bicyclist of your approach in a non-emergency situation. A loud horn can cause a bicyclist to lose control.
Do not use your horn at a blind pedestrian or around horses.

#20. When you approach a roundabout:
When approaching, slow down to the posted advisory speed. Yield to pedestrians in the crosswalk. When entering a traffic circle or rotary, you must yield to drivers already in the circle.

#21. Parking on the roadside of another parked vehicle (double parking):
Double parking a vehicle is prohibited because it blocks traffic and causes accidents.

#22. If your vehicle stalls in the path of an oncoming train, why should you stay clear of the tracks and run toward the train?
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.

#23. To prevent skidding on slippery surfaces, you should:
To prevent skidding on slippery surfaces you should adjust your speed, avoid abrupt changes in speed or direction, and slow down well in advance of the stopping point.

#24. What does this sign mean?
This sign is used at locations along a roadway where a flagger may be stationed to control traffic.

#25. This over-lane indicator (a steady yellow X) means:
A steady yellow X signal means a driver should move out of the lane as soon as safely possible.
A flashing yellow X signal means that a driver is permitted to use the lane for a left turn.
The signals are used to control traffic flow by reversing lanes direction during different hours of the day. The lanes and their directions may be marked with signs and signals.
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 | |
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 and must complete the graduated licensing steps, you must also pass the 30-question test. You can find an example of this test at Licenseroute.com – 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. Every test is different, and you will likely 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 you can find all answers on the official examination in the D.C. Driver’s Manual.
The passing score in the District of Columbia is 80 percent, meaning you must correctly answer at least 20 of these 25 DMV questions. Aim a little higher when you are studying and preparing for the exam. You have a better chance of passing the examination if you score 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 dmv.dc.gov 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 whether you are ready for the exam.
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 context and not simply try to memorize questions and answers.
Learn more about How to Study for the driver test.

Who Must Pass the District of Columbia Driver’s License Test?
If you never had a license 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’s license must also pass the knowledge examination.
If you have a D.C. driver’s license and let it expire for more than 365 days, you must take and pass the knowledge test or take the District’s online traffic school course to waive the knowledge test. If your D.C. driver’s license has expired for more than 545 days, you must take and pass both the knowledge test and the road skills 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.
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 following D.C. law.
The knowledge test consists of several highway signs. The DMV examiner will also check if you pay attention to the signs during the driving test. You should learn all common highway signs and know how to act when you see one.

Languages
You can take the driver’s license knowledge examination at any DMV service center. There is no need for an 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.
You can get an audio-assisted test if you need help with reading. 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 retaking it 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. Trying to pass it the first time by preparing well is a good idea.
How many questions are on the District of Columbia DMV exam?
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.
What is the passing score on the District of Columbia DMV exam?
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.
What is the waiting time if I fail the D.C. DMV knowledge exam?
You must wait at least 3 days and can retake the test on the 4th day.
Remember
Walk-in service is available at all Service Centers and Adjudication Services.
Road tests for commercial and noncommercial driver’s licenses are by appointment only.



I need to test on line
DC DMV does not offer the official test online from your home. You must take your knowledge test at a Service Center or Test Proctoring Center.