DC DMV Practice Test 4
Practice Test 4 covers the urban-specific rules that make DC DMV preparation distinct — the meaning of double solid white lines between lanes, the requirement to check that an intersection is clear before proceeding on green, the correct approach when a parking meter shows expired time, following large trucks safely on DC's crowded streets and I-395, nighttime glare reduction for oncoming drivers, and the specific procedure for entering traffic from a private driveway on DC's residential streets.
Why Take This DC Practice Test?
Practice Test 4 introduces questions unique to DC's urban driving environment — including the parking meter question that is specific to the DC DMV exam and does not appear in other states' tests. These details reward thorough preparation with the official DC Driver Manual.
Sample Questions from This Test
The questions below come directly from this test's question bank. Each is based on the official DC Driver Handbook. See how many you can answer before starting — then take the full test above for answers and complete explanations.
- What does a solid double white line between traffic lanes mean?
- What should a driver do when approaching an intersection with a steady green light?
- What should you do when following a large truck?
- What should you do when approaching a parking meter that shows expired time?
- What should you do when driving at night to reduce glare for others?
Take the test above to see correct answers and read the full explanations for every question.
DC DMV Topics Covered in This Test
Every question in this test is drawn from the official DC Driver Handbook. Here is a breakdown of the specific topics covered:
- Double Solid White Lines — do not change lanes across double solid white lines
- Green Light Intersection Check — check that intersection is clear before proceeding
- Large Truck Following on DC Roads — stay back to see past the truck and avoid blind spots
- Expired Parking Meter — you may not park at a meter showing expired time
- Night Glare Reduction — dim high beams when approaching oncoming traffic within 500 feet
- Driveway Entry Procedure — yield to all pedestrians and traffic before entering roadway
- Flashing Yellow Signal — slow and proceed with caution
- DC Move Over Law — move one lane or slow for stopped emergency vehicles
- Freeway On-Ramp Merging — match traffic speed, find safe gap
- Dark Traffic Signal — treat as a four-way stop
- Wheels Off Pavement — ease off gas, steer gradually back
- Solid White Stop Line — stop before the line at all times
- Red Arrow Signal — cannot turn in arrow direction until signal changes
- Yellow Curb Loading Zone — commercial loading only during posted hours
- Aggressive Driver Response — do not engage, create distance, contact police
DC DMV Test — Key Facts
Knowing the specific numbers and rules before your DC written knowledge test gives you a real advantage. Here are the key facts for this test:
- Double solid white lines: Do not cross — they prohibit lane changes between those lanes
- Green light check: Always verify the intersection is clear before entering — a green light is permission to proceed, not a guarantee of safety
- Expired parking meter in DC: You may not park at a meter showing expired time — it is a parking violation in DC
- Night glare reduction: Dim high beams within approximately 500 feet of oncoming traffic
- DC truck traffic: I-395 and Connecticut Avenue carry significant truck traffic — stay out of blind spots and allow extra following distance
- DC driveway entry: DC's residential streets have many driveways — yield to all pedestrians on the sidewalk and all roadway traffic before entering
How to Use This Test Effectively
Getting the most out of your DC DMV practice time takes more than clicking through questions. Use these strategies:
- Double solid white lines are a lane change prohibition. Unlike broken white lines (lane changes permitted) or single solid white lines (discourages but doesn't prohibit), double solid white lines mean you must not change lanes across them.
- The parking meter question is unique to the DC DMV exam. Washington DC has thousands of parking meters. An expired meter means the paid time has run out — you may not park there regardless of how briefly you plan to stop. This is a direct DC traffic law question.
- Always check the intersection before proceeding on green. A green light gives you the right to proceed — not a guarantee that the intersection is clear. Check for vehicles running red lights and pedestrians who are still crossing before entering.
- Large truck following on DC's urban streets requires extra distance. DC's K Street, New York Avenue, and I-395 have heavy truck traffic. Stay back far enough to see around the truck, and avoid the blind spots directly beside and behind it.
- Dim your high beams for oncoming traffic within 500 feet. High beams directed at an oncoming driver in DC's dense traffic create significant glare. Dim well before you can see their face — approximately 500 feet away.
Frequently Asked Questions
What does Practice Test 4 cover?
Practice Test 4 covers double solid white lines, green light intersection check, expired parking meters in DC, large truck following, night glare reduction, driveway entry procedure, and DC's Move Over law.
What does a double solid white line between lanes mean?
You may not change lanes across double solid white lines. They prohibit lane changes between those specific lanes — different from a single solid white line which discourages but does not strictly prohibit lane changes.
What should I do at a DC parking meter showing expired time?
You may not park at the meter — parking at an expired meter is a violation in DC. Find another available, paid meter or legal parking space. DC parking enforcement actively monitors meters throughout the city.
Why must I check the intersection even when I have a green light?
A green light authorizes you to proceed — it does not guarantee the intersection is clear. Other drivers may run red lights, and pedestrians may be finishing crossing. Always check that the intersection is clear before entering, even on green.
How much following distance should I give a large truck on DC roads?
Enough distance to see around the truck and stay out of its blind spots. As a minimum, if you cannot see the truck driver's mirrors, the driver cannot see you. DC's congested roads make it tempting to follow closely — resist that temptation with trucks.
Complete Study Guide: All 50 Questions with Answers
All 50 questions from DC Practice Test 4 are listed below with correct answers and explanations. This test covers DC-specific urban rules — parking meters, double solid white lines, and large truck safety. The parking meter question is unique to the DC DMV exam — know the answer before your real test.
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Q1. What does a solid double white line between traffic lanes mean?
Correct answer: Lane changes are not allowed
Why: Double solid white lines indicate that lane changes are prohibited.
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Q2. What should a driver do when approaching an intersection with a steady green light?
Correct answer: Proceed if the intersection is clear
Why: A green light allows traffic to proceed when the intersection is clear.
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Q3. What does a broken yellow line on the roadway indicate?
Correct answer: Passing is allowed when safe
Why: A broken yellow line allows passing when it can be done safely.
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Q4. What must a driver do when approaching pedestrians using a marked crosswalk?
Correct answer: Yield and stop if necessary
Why: Drivers must yield the right-of-way to pedestrians in crosswalks.
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Q5. What does a white rectangular traffic sign usually indicate?
Correct answer: Traffic laws or regulations
Why: White rectangular signs provide regulatory information.
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Q6. What should you do when approaching a curve marked with an advisory speed sign?
Correct answer: Slow to the posted advisory speed
Why: Advisory speed signs indicate a safe speed for the curve.
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Q7. What does a red curb indicate?
Correct answer: No stopping or parking
Why: Red curbs prohibit stopping, standing, or parking.
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Q8. What is required before turning left at an intersection?
Correct answer: Yield to oncoming traffic
Why: Drivers must yield to oncoming vehicles before turning left.
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Q9. What does a yellow diamond-shaped warning sign alert drivers to?
Correct answer: Possible hazards ahead
Why: Yellow diamond signs warn of road conditions or hazards.
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Q10. What should you do when approaching a stopped school bus with flashing red lights?
Correct answer: Stop until the lights stop flashing
Why: Drivers must stop for school buses displaying flashing red lights.
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Q11. What does a solid white edge line mark?
Correct answer: The edge of the roadway
Why: Solid white edge lines show the outer boundary of the roadway.
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Q12. What should you do when entering traffic from a private driveway?
Correct answer: Yield to all approaching traffic
Why: Drivers entering from a driveway must yield to roadway traffic.
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Q13. What does a flashing yellow traffic signal mean?
Correct answer: Proceed with caution
Why: Flashing yellow signals warn drivers to slow down and be alert.
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Q14. What is the safest following distance under normal driving conditions?
Correct answer: At least two seconds
Why: A two-second following distance allows time to react safely.
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Q15. What should you do when visibility is reduced by fog?
Correct answer: Use low-beam headlights
Why: Low beams improve visibility without causing glare in fog.
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Q16. What does a circular yellow sign with an X and RR warn drivers of?
Correct answer: A railroad crossing ahead
Why: This sign warns of an upcoming railroad crossing.
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Q17. What should you do when approaching an emergency vehicle stopped on the roadside?
Correct answer: Move over or slow down
Why: Drivers must give space to emergency responders.
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Q18. What does a solid yellow line on your side of the centerline mean?
Correct answer: Passing is not allowed
Why: A solid yellow line on your side prohibits passing.
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Q19. What should you do if your vehicle begins to skid?
Correct answer: Steer in the direction you want the front to go
Why: Steering toward the intended direction helps regain control.
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Q20. What does a blue traffic sign usually provide?
Correct answer: Information about services
Why: Blue signs provide information about services such as fuel or rest areas.
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Q21. What should you do when backing up your vehicle?
Correct answer: Look behind and around the vehicle
Why: Drivers must check all areas before backing up.
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Q22. What does a yellow pennant-shaped sign indicate?
Correct answer: No passing zone ahead
Why: Pennant-shaped signs mark the start of no-passing zones.
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Q23. What should you do when approaching a yield sign?
Correct answer: Slow down and yield if necessary
Why: Yield signs require giving right-of-way when needed.
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Q24. What does a green arrow traffic signal allow?
Correct answer: A protected turn
Why: A green arrow allows turning without conflicting traffic.
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Q25. What should you do when driving behind a motorcycle?
Correct answer: Increase following distance
Why: Motorcycles can stop quickly and need extra space.
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Q26. What does a lane reduction sign warn drivers about?
Correct answer: Fewer lanes ahead
Why: Lane reduction signs alert drivers to merge.
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Q27. What is the safest action when driving in heavy rain?
Correct answer: Increase following distance
Why: Wet conditions require extra space for safe stopping.
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Q28. What does a white diamond symbol painted on the roadway indicate?
Correct answer: Reserved lane
Why: White diamonds mark lanes reserved for specific uses.
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Q29. What should you do at an uncontrolled intersection?
Correct answer: Yield to vehicles on your right
Why: Drivers must yield to vehicles on their right.
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Q30. What does a regulatory sign communicate?
Correct answer: Traffic laws
Why: Regulatory signs tell drivers what they must or must not do.
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Q31. What should you do when entering a freeway from an on-ramp?
Correct answer: Adjust speed and yield to traffic
Why: Drivers entering a freeway must yield to traffic already on it.
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Q32. What does a flashing red traffic signal require drivers to do?
Correct answer: Stop completely
Why: Flashing red signals function like stop signs.
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Q33. What should you do if traffic signals are not operating?
Correct answer: Treat the intersection as a four-way stop
Why: When signals are dark, four-way stop rules apply.
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Q34. What does a solid white line between lanes indicate?
Correct answer: Lane changes are discouraged
Why: Solid white lines discourage lane changes.
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Q35. What should you do when approaching a curve warning sign?
Correct answer: Reduce speed
Why: Curve signs warn drivers to slow down.
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Q36. What does a curb painted yellow usually indicate?
Correct answer: Passenger loading zone
Why: Yellow curbs often mark loading areas.
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Q37. What should you do when following a large truck?
Correct answer: Increase following distance
Why: Large vehicles need extra space due to limited visibility.
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Q38. What does a green traffic signal mean?
Correct answer: Proceed if the intersection is clear
Why: A green light allows traffic to proceed when safe.
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Q39. What should you do if your wheels leave the paved roadway?
Correct answer: Ease off the accelerator and steer back gradually
Why: Gradual steering helps maintain control.
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Q40. What does a solid white stop line indicate?
Correct answer: Where to stop at an intersection
Why: Drivers must stop behind the stop line.
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Q41. What should you do when approaching pedestrians already crossing?
Correct answer: Yield and wait
Why: Drivers must yield to pedestrians in the crosswalk.
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Q42. What does a red arrow traffic signal mean?
Correct answer: Stop for that direction
Why: A red arrow prohibits movement in the arrow direction.
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Q43. What is the safest response to aggressive driving?
Correct answer: Avoid and do not engage
Why: Avoiding confrontation reduces risk.
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Q44. What should you do when parking uphill with a curb?
Correct answer: Turn wheels away from the curb
Why: Turning wheels away helps prevent rolling into traffic.
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Q45. What does a broken white line between lanes indicate?
Correct answer: Lane changes are allowed
Why: Broken white lines allow lane changes when safe.
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Q46. What should you do when driving at night to reduce glare for others?
Correct answer: Dim your headlights
Why: Dimming headlights reduces glare.
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Q47. What does a yellow diamond-shaped sign with a truck symbol warn of?
Correct answer: Steep grade ahead
Why: Truck symbols often warn of grades or conditions affecting large vehicles.
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Q48. What is the safest way to control speed on a long downhill?
Correct answer: Use lower gears
Why: Lower gears help control speed safely.
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Q49. What should you do when approaching a marked stop line?
Correct answer: Stop before the line
Why: Drivers must stop at marked stop lines.
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Q50. What should you do when approaching a parking meter that shows expired time?
Correct answer: Do not park there
Why: Parking is not allowed at expired meters unless permitted by signs.