Washington DC DMV Permit Practice Test 2026：第3套练习测试

Washington DC DMV Permit Practice Test 练习测试第3套（共8套）：再练25道题，附答案和解释。

驾驶
哥伦比亚特区
205道题
核对于2026年10月10日

第1题，共25题
What does this sign mean?
- Many curves are ahead
- A sharp turn to the right is ahead
- Two-way traffic is ahead
- The road curves right, then left
显示答案
答案: D. The road curves right, then left
A reverse curve bends one way and then the other. Slow down before the first curve.
第2题，共25题
You are passing a car. When is it safe to return to your lane?
- As soon as your rear bumper passes its front bumper
- When the two cars are side by side
- When the other driver flashes the headlights
- When you can see the front of the car you passed in your rearview mirror
显示答案
答案: D. When you can see the front of the car you passed in your rearview mirror
Return to your lane only when you can see the whole front of the passed vehicle in your rearview mirror.
第3题，共25题
What does this sign mean?
- You may not turn while the light is red; wait for green
- No turns are allowed at any time
- There is a red-light camera ahead
- You may turn right on red after stopping
显示答案
答案: A. You may not turn while the light is red; wait for green
In most places you may turn right on red after a full stop. This sign takes that choice away, so wait for a green light.
第4题，共25题
As you get close to your exit from a roundabout, what should you do?
- Turn on your right turn signal and exit
- Go around once more to check traffic
- Stop inside the roundabout before exiting
- Turn on your left turn signal and exit
显示答案
答案: A. Turn on your right turn signal and exit
Signal right as you approach your exit so others know you are leaving the roundabout.
第5题，共25题
The speed limit is 55 mph, but there is thick fog and the road is slippery. How fast should you drive?
- Exactly 10 mph under the limit
- As fast as the cars around you
- Slower than 55 mph, at a speed that is safe for the conditions
- 55 mph, because that is the limit
显示答案
答案: C. Slower than 55 mph, at a speed that is safe for the conditions
The posted limit is the top speed for good conditions. You can be ticketed for driving too fast for conditions even below the limit.
第6题，共25题
When may you pass another vehicle on the right?
- When the vehicle ahead is turning left and there is room to pass safely
- When you can use the shoulder
- Whenever the vehicle ahead is slow
- Only on a two-lane road
显示答案
答案: A. When the vehicle ahead is turning left and there is room to pass safely
You may pass on the right only when it is safe, such as when the car ahead is turning left or on a road with two or more lanes your way. Never use the shoulder.
第7题，共25题
A pedestrian is crossing in the crosswalk ahead of you, as shown. What must you do?
- Stop and wait until the pedestrian has safely crossed
- Honk so the pedestrian moves faster
- Flash your lights so the pedestrian stops
- Drive slowly around the pedestrian
显示答案
答案: A. Stop and wait until the pedestrian has safely crossed
Drivers must yield to pedestrians in crosswalks and wait until they can finish crossing safely.
第8题，共25题
The gates at a railroad crossing are coming down. What should you do?
- Speed up and go under the gates
- Stop on the tracks until the gates rise
- Stop and wait until the gates are up and the lights stop flashing
- Drive around the gates if you cannot see a train
显示答案
答案: C. Stop and wait until the gates are up and the lights stop flashing
Never drive around or under lowered or lowering gates. Wait until they are fully up.
第9题，共25题
Must you yield to a pedestrian crossing at an intersection that has no painted crosswalk lines?
- Only if a crossing guard is there
- Only in school zones
- Yes, most intersections have unmarked crosswalks where pedestrians have the right-of-way
- No, only painted crosswalks count
显示答案
答案: C. Yes, most intersections have unmarked crosswalks where pedestrians have the right-of-way
Pedestrians have the right-of-way in both marked and unmarked crosswalks.
第10题，共25题
What usually happens if you refuse a chemical test after an arrest for impaired driving?
- You get a written warning
- Nothing happens
- Your driver license is suspended or revoked
- You must retake the written test only
显示答案
答案: C. Your driver license is suspended or revoked
Refusing a test brings its own penalties, including losing your license, even if you are not convicted of impaired driving.
第11题，共25题
What information should drivers exchange after a crash?
- Nothing, because the police handle it
- Only phone numbers
- Names, addresses, driver license numbers, vehicle registration and insurance
- Only the names of their insurance companies
显示答案
答案: C. Names, addresses, driver license numbers, vehicle registration and insurance
Give and get names, addresses, license numbers, registration and insurance details from the other drivers involved.
第12题，共25题
You see this sign facing you on a ramp. What should you do?
- Keep driving in the left lane with your hazard lights on
- You are going the wrong way: pull over safely, turn around and leave the way you came
- Speed up to get off the ramp quickly
- Keep going and take the next exit
显示答案
答案: B. You are going the wrong way: pull over safely, turn around and leave the way you came
WRONG WAY signs face drivers who are going against traffic. Stop safely, turn around and drive in the correct direction.
第13题，共25题
A driver is tailgating you. What is the safest thing to do?
- Brake suddenly to warn the driver
- Stop on the shoulder right away
- Keep a steady speed, leave extra space ahead, and let the driver pass
- Speed up to get away
显示答案
答案: C. Keep a steady speed, leave extra space ahead, and let the driver pass
Do not react with sudden braking. Keep extra space in front of you so you can stop gently, and let the tailgater pass when possible.
第14题，共25题
A flagger in a work zone holds up a STOP paddle. What must you do?
- Stop and wait until the flagger signals you to go
- Stop only if workers are in your lane
- Honk and keep going
- Slow down and drive around the flagger
显示答案
答案: A. Stop and wait until the flagger signals you to go
Work zone flaggers are allowed to direct traffic. Their signals must be obeyed like a traffic officer's.
第15题，共25题
Signs with this fluorescent yellow-green color are used for:
- Schools, pedestrians and bicycles
- Gas, food and lodging
- Road work zones
- Railroad crossings
显示答案
答案: A. Schools, pedestrians and bicycles
Fluorescent yellow-green is used for school, pedestrian and bicycle signs because it is easy to see.
第16题，共25题
You come to a traffic light that is completely dark because of a power outage. What should you do?
- Honk and keep going
- Treat the intersection like an all-way stop
- Yield only to cars on your left
- Drive through if no cars are close
显示答案
答案: B. Treat the intersection like an all-way stop
When a signal is not working, stop as you would at a stop sign, then follow the right-of-way rules.
第17题，共25题
What does this sign mean?
- A bike repair shop is ahead
- Bicycles may cross or enter the road ahead
- The bike lane ends and bicycles must leave the road
- Bicycles are not allowed
显示答案
答案: B. Bicycles may cross or enter the road ahead
Watch for people on bicycles crossing or riding on the road. Slow down and give them plenty of room.
第18题，共25题
You missed your exit on the freeway. What should you do?
- Go on to the next exit
- Back up on the shoulder
- Stop and wait for a gap to back up
- Make a U-turn across the median
显示答案
答案: A. Go on to the next exit
If you miss your exit, stay on the freeway until the next exit. Never back up or turn around on a freeway.
第19题，共25题
In a state where marijuana is legal, may you drive after using it?
- Yes, if you have a medical card
- Yes, but only during the day
- No, driving while impaired by any drug is illegal
- Yes, as long as you feel fine
显示答案
答案: C. No, driving while impaired by any drug is illegal
Impairment from marijuana is treated like impairment from any other drug. Do not use it before driving.
第20题，共25题
What is the center lane shown here used for?
- Driving for long distances in heavy traffic
- Left turns by drivers from both directions
- Passing slower vehicles
- Parking and loading
显示答案
答案: B. Left turns by drivers from both directions
A two-way left-turn lane is shared by drivers from both directions to make left turns. It is not a travel lane or passing lane.
第21题，共25题
In which direction does traffic travel in a US roundabout?
- Toward the center island
- Counterclockwise
- Clockwise
- Either direction
显示答案
答案: B. Counterclockwise
In the United States, traffic in a roundabout moves counterclockwise, to the right of the center island.
第22题，共25题
Which numbered marking separates traffic going in opposite directions and allows drivers on both sides to pass when it is safe?
- Marking 6
- Marking 3
- Marking 5
- Marking 2
显示答案
答案: D. Marking 2
A broken yellow center line (marking 2) separates opposite directions and allows passing from either side when the way is clear.
第23题，共25题
At night, a car is coming toward you, as shown. When should you switch from high beams to low beams?
- Only if the other driver flashes the lights
- When it is within 50 feet
- When it is within 500 feet
- When it is within 2 miles
显示答案
答案: C. When it is within 500 feet
State laws generally require low beams within 500 feet of an oncoming vehicle, so you do not blind the other driver.
第24题，共25题
What is the only thing that lowers your blood alcohol concentration?
- Time
- Exercise
- A cold shower
- Black coffee
显示答案
答案: A. Time
Your body removes alcohol slowly. Coffee, exercise and cold showers do not lower your BAC.
第25题，共25题
What does this sign mean?
- A highway patrol station is ahead
- A helicopter landing pad is ahead
- A hospital is nearby
- A hotel is nearby
显示答案
答案: C. A hospital is nearby
Blue signs show services for drivers, such as hospitals, gas, food and lodging.

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