North Dakota: Interstate driving Practice Test
Entering and leaving the Interstate, merging, lane use for slower traffic and driving on multi-lane highways.
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Questions are original and based on the official manual "North Dakota Noncommercial Driver License Manual" (2025-2027), North Dakota Department of Transportation (NDDOT).
All 15 questions in this practice test
Take the test above first, then use this list to study. Tap “Show answer” to see the correct answer and explanation.
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Why does your vehicle travel further during your reaction time on the Interstate?
- Interstate roads have many more curves than city streets
- Interstate roads are narrower than city streets
- Speeds are higher on the Interstate than on city streets
- Visibility is lower on the Interstate than in town
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Correct answer: Speeds are higher on the Interstate than on city streets
Speeds are higher on the Interstate than on city streets, so your vehicle travels further during your reaction time.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 23 · Open this page in the manual (Manual page 23)
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When passing on the Interstate, what should you avoid doing?
- Using your turn signals to change lanes
- Cutting back into the right lane too quickly
- Making sure the lane is clear first
- Checking your mirrors before you move over
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Correct answer: Cutting back into the right lane too quickly
The manual says that when passing on the Interstate, you should not cut back into the right lane too quickly.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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If you are traveling slowly on the Interstate, where should you drive?
- In the left lane
- On the shoulder
- In the center of the lanes
- In the right lane
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Correct answer: In the right lane
The manual says to keep to the right if you are traveling slowly on the Interstate.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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On the Interstate, where must you never stop?
- On the shoulder in an emergency
- At a rest area
- On the traveled part of the roadway
- At a gas station
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Correct answer: On the traveled part of the roadway
Never stop on the traveled part of the roadway; in an emergency, stop on the shoulder.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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In an emergency on the Interstate, what should you do to show that you are having difficulty?
- Stop on the shoulder and raise your hood
- Stop in the right lane and turn on your hazard lights only
- Slow down in the left lane
- Stop in the median
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Correct answer: Stop on the shoulder and raise your hood
In an emergency, stop on the shoulder and raise your hood to show difficulty.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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On the Interstate, what should you do with your lights when following another vehicle?
- Use your high beams
- Turn off your lights
- Flash your headlights
- Dim your lights
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Correct answer: Dim your lights
The manual says to dim your lights when following another vehicle.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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What are the two most common types of interchanges?
- The diamond and the roundabout
- The diamond and the cloverleaf
- The cloverleaf and the median crossover
- The T-type and the loop
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Correct answer: The diamond and the cloverleaf
The two most common types of interchanges are the diamond and the cloverleaf.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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What should you do if you miss your interchange on the Interstate?
- Go on to the next one
- Back up along the shoulder
- Use a median crossover
- Stop and wait for traffic to clear
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Correct answer: Go on to the next one
Never back up on the Interstate; if you miss your interchange, go on to the next one.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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Median crossovers on the Interstate are for which vehicles?
- Any vehicle that has missed its exit on the Interstate
- Vehicles pulling a trailer or traveling slowly
- Authorized vehicles only, such as emergency vehicles
- Vehicles traveling below the posted speed limit
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Correct answer: Authorized vehicles only, such as emergency vehicles
Median crossovers are for authorized vehicles only, such as emergency and maintenance vehicles.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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You exit the Interstate at the wrong interchange. What must you do?
- Back up the ramp carefully to return to the highway
- Follow it out and return to the highway by the “on” ramp
- Stop on the ramp and wait for an opening to appear
- Make a U-turn at the end of the exit ramp
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Correct answer: Follow it out and return to the highway by the “on” ramp
Never back up on a ramp; if you exit at the wrong interchange, you must follow it out and return to the highway by the “on” ramp.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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What do highway guide signs tell you about interchanges?
- The speed limit on each ramp of the interchange
- The number of lanes on each ramp ahead
- The distance to the nearest town
- The location of interchanges well in advance
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Correct answer: The location of interchanges well in advance
Highway guide signs tell you the location of interchanges well in advance, so you can move into the proper lane early.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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What is the purpose of an entrance ramp?
- To stop and wait for a gap in the highway traffic
- To pass slower vehicles before you reach the highway
- To adjust your speed to merge safely with highway traffic
- To turn around and return to the road you came from
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Correct answer: To adjust your speed to merge safely with highway traffic
Entrance ramps allow you to adjust your speed to merge safely with the flow of traffic on the highway.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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When should you stop on an entrance ramp?
- Only when there is no opening in the traffic flow
- Whenever other vehicles are on the highway
- Whenever the speed limit is above 55 miles per hour
- Never, under any circumstances on the ramp
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Correct answer: Only when there is no opening in the traffic flow
Stopping on entrance ramps should be avoided; stop only when there is no opening in the traffic flow.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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Unless posted signs indicate otherwise, what must a vehicle entering a freeway from an entrance ramp do?
- Go first because the entering vehicle is merging
- Stop at the end of the ramp every single time
- Yield only to trucks on the main roadway
- Yield the right of way to vehicles on the main roadway
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Correct answer: Yield the right of way to vehicles on the main roadway
Any vehicle entering a freeway from an entrance ramp must yield the right of way to vehicles on the main roadway, unless signs indicate otherwise.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)
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What should you never do on exit ramps?
- Use your turn signal
- Stop or back up
- Slow down
- Check your mirrors
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Correct answer: Stop or back up
Exit ramps are for leaving the highway, and you should never stop or back up on them.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 24 · Open this page in the manual (Manual page 24)