North Dakota: Traffic signals Practice Test
Red, yellow and green lights, arrows, flashing signals and turns on red.
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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 17 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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Where must you stop for a red traffic signal?
- At a marked stop line or before a crosswalk
- Beyond the crosswalk but before the intersection
- In the middle of the intersection, to see traffic
- Anywhere you can see the signal clearly
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Correct answer: At a marked stop line or before a crosswalk
For a red indication you must stop at a marked stop line or before a crosswalk.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 15 · Open this page in the manual (Manual page 15)
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How long must you remain stopped at a red traffic signal?
- Until the light changes and the intersection is clear of pedestrians and vehicles
- Until the light changes, even if pedestrians are still in the crosswalk
- Until the light has been red for at least three seconds
- Until the driver behind you signals that it is safe to go
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Correct answer: Until the light changes and the intersection is clear of pedestrians and vehicles
You remain stopped until the light changes and the intersection is clear of pedestrians and vehicles.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 15 · Open this page in the manual (Manual page 15)
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A yellow traffic signal means WARNING or CAUTION. What is the light doing?
- Changing from red to green
- Flashing to tell you to stop
- Changing from green to red
- Turning into a left-turn arrow
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Correct answer: Changing from green to red
A yellow indication means the light is changing from green to red.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 15 · Open this page in the manual (Manual page 15)
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A green traffic signal means GO, but only under what condition?
- If oncoming traffic has stopped
- If the intersection is clear
- If no pedestrians are on the sidewalk
- If you are driving straight ahead
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Correct answer: If the intersection is clear
Green means go, but only if the intersection is clear.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 15 · Open this page in the manual (Manual page 15)
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If a green arrow comes on at a red light, what may you do?
- Go straight through the intersection
- Turn in either direction
- Wait until the red light changes to green
- Turn in the direction of the arrow
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Correct answer: Turn in the direction of the arrow
A green arrow lets you turn in the direction of the arrow, even if a red light is also showing.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 15 · Open this page in the manual (Manual page 15)
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When you turn on a green arrow, to whom must you yield the right of way?
- Only oncoming vehicles
- Only pedestrians in the crosswalk
- No one, as long as you signaled the turn ahead of time
- All pedestrians and vehicles already in the intersection
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Correct answer: All pedestrians and vehicles already in the intersection
With a green arrow you must still yield to all pedestrians and vehicles already in the intersection.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 15 · Open this page in the manual (Manual page 15)
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What must you do before turning right on a red light, unless a sign prohibits it?
- Wait for a green arrow, because a right turn on red is never allowed at a signal
- Stop first, and turn only when the intersection is clear of both pedestrians and vehicles
- Slow down and turn right once you have checked for pedestrians in the crosswalk
- Stop, then turn only after the driver behind you has also come to a stop
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Correct answer: Stop first, and turn only when the intersection is clear of both pedestrians and vehicles
You may turn right on red after stopping when the intersection is clear of both pedestrians and vehicles, unless a sign prohibits it.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 15 · Open this page in the manual (Manual page 15)
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When may you turn left on a red light, unless a sign prohibits it?
- From a two-way street onto a one-way street
- From a one-way street onto a two-way street
- From a one-way street onto a one-way street
- Never, because left turns on red are always prohibited
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Correct answer: From a one-way street onto a one-way street
You may turn left on a red light only from a one-way street onto a one-way street, unless a sign prohibits it.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 15 · Open this page in the manual (Manual page 15)
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If the traffic signals are dark, for example in a power outage, what must the driver of a vehicle do?
- Stop and yield the right of way to any vehicle in the intersection
- Proceed with caution without stopping if you see no traffic
- Treat the signal as a flashing yellow light
- Follow the traffic that has the most vehicles
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Correct answer: Stop and yield the right of way to any vehicle in the intersection
With dark signals, such as in a power outage, the driver must stop and yield the right of way to any vehicle in the intersection.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 15 · Open this page in the manual (Manual page 15)
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When are some traffic signals operated like flashing beacons?
- Late at night or when traffic volumes are light
- During heavy rain or snow
- Only during school hours
- During the morning and evening rush hours
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Correct answer: Late at night or when traffic volumes are light
Some signals flash like beacons late at night or when traffic volumes are light.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 15 · Open this page in the manual (Manual page 15)
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A flashing red traffic signal means the same thing as what?
- A yield sign
- A flashing yellow signal
- A stop sign
- A green arrow
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Correct answer: A stop sign
A flashing red signal means the same as a stop sign: stop, and proceed when the intersection is clear of pedestrians and vehicles.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 15 · Open this page in the manual (Manual page 15)
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What does a flashing yellow signal at an intersection mean?
- Stop, then proceed when the intersection is clear
- Proceed with caution
- The light is about to change to red
- Come to a complete stop and wait for green
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Correct answer: Proceed with caution
A flashing yellow signal at an intersection means proceed with caution.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 15 · Open this page in the manual (Manual page 15)
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What must left-turning drivers do when facing a steady red left-turn arrow?
- Turn left after yielding to oncoming traffic
- Turn left only if no pedestrians are crossing
- Proceed with caution
- Stop and wait
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Correct answer: Stop and wait
A steady red left-turn arrow means left-turning drivers must stop and wait.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 16 · Open this page in the manual (Manual page 16)
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What does a steady yellow left-turn arrow mean?
- Left-turning drivers have the right-of-way
- You may turn left after yielding to oncoming traffic
- Oncoming traffic must stop for you
- The left turn signal is changing to red
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Correct answer: The left turn signal is changing to red
A steady yellow left-turn arrow is a warning that the left turn signal is changing to red.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 16 · Open this page in the manual (Manual page 16)
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What may you do when facing a flashing yellow left-turn arrow?
- Turn left with the right-of-way over all oncoming traffic and pedestrians
- Cautiously turn left after yielding to oncoming traffic and to pedestrians
- Wait for the arrow to change before moving
- Treat it as a warning that the signal is changing to red
Show answer
Correct answer: Cautiously turn left after yielding to oncoming traffic and to pedestrians
With a flashing yellow left-turn arrow you may cautiously turn left after yielding to oncoming traffic and to pedestrians.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 16 · Open this page in the manual (Manual page 16)
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What will oncoming traffic typically have when you face a flashing yellow left-turn arrow?
- A red light
- A flashing red light
- A green light
- A yellow arrow
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Correct answer: A green light
When you face a flashing yellow left-turn arrow, oncoming traffic will typically have a green light.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 16 · Open this page in the manual (Manual page 16)
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What does a steady green left-turn arrow mean for left-turning drivers?
- They have the right-of-way
- They must yield to oncoming traffic
- They must stop and wait
- They may turn only after oncoming vehicles stop
Show answer
Correct answer: They have the right-of-way
A steady green left-turn arrow means left-turning drivers have the right-of-way.
Source: North Dakota Noncommercial Driver License Manual (2025-2027), page 16 · Open this page in the manual (Manual page 16)