2025 District Of Columbia Permit Test 21
The following questions are from real DMV written tests. These are some of the actual permit questions you will face in District Of Columbia. Each permit practice test question has three answer choices. Select one answer for each question and select "grade this section." You can find this button at the bottom of the drivers license quiz. For a complete list of questions and answers for District Of Columbia please visit https://staging.dmvwrittentest.cheat-sheets.com/en/district-of-columbia/car.
Number of Tests
Number of Question
Passing Score
17. Increase your following distance when driving behind a large vehicle:
Explanation
Drivers of trucks, buses, vans, and any vehicles pulling campers or trailers may not be able to see you if you are driving directly behind them. Increase your following distance when driving behind one of these vehicles. Additionally, large vehicles can block your view of the road, so increase your following distance to look around the sides of the vehicle and see the road ahead.
18. When changing lanes, you should:
Explanation
Other cars and motorcycles are often hidden in a vehicle’s blind spot, so be sure to glance over your shoulder before you begin a lane change. Begin signaling 100 feet before changing lanes or turning in a residential area. Signal five seconds in advance when changing lanes on a freeway.
19. If your car starts to skid, turn your steering wheel:
Explanation
If your vehicle goes into a skid, you should turn the steering wheel in the direction you want the vehicle to go. As soon as the vehicle begins to straighten out, turn the steering wheel back the other way.
20. Round signs indicate:
Explanation
Round signs warn drivers of an upcoming railroad crossing area. Drivers should use extra caution when approaching a railroad crossing.
21. Regulatory signs:
Explanation
Regulatory signs are often rectangular and white with black markings and are used to indicate what things a driver must or must not do in a designated area. They may display speed limits, prohibit passing or turning, or clarify any other driving regulation.
22. Which is not a factor in determining the distance that it takes to stop your vehicle?
Explanation
The distance required to stop your vehicle depends on perception time, reaction distance, and braking distance. This changes with speed and road conditions.
23. A slow-moving vehicle emblem is:
Explanation
The slow-moving vehicle symbol is a reflective orange triangle. Expect vehicles using this emblem to be driving at speeds of 25 mph or slower.
24. This sign is a warning that you are approaching:
Explanation
This sign indicates that you are approaching a railroad crossing.
25. When approaching a traffic signal displaying a steady green arrow, drivers:
Explanation
A green arrow displayed on a traffic signal tells drivers that they may turn in the direction of the arrow. You must be in the proper lane for such a turn. Yield the right-of-way to vehicles and pedestrians already in the intersection.
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