Page 1 of 173
NSC Defensive Driving Course Exam LATEST
UPDATE THIS YEAR (2026-2027) ALL 300
QUESTIONS AND CORRECT ANSWERS WITH
RATIONALES
NSC Defensive Driving Course Exam – 300 Randomized Questions
1. You are driving on a highway when the vehicle ahead suddenly brakes. You should
immediately:
A) Swerve into the adjacent lane without checking
B) Apply your brakes firmly while checking your mirrors
C) Honk your horn repeatedly
D) Close the gap to prevent others from cutting in
Correct Answer: B
Applying brakes firmly while checking mirrors allows you to reduce speed safely and assess
escape routes if the vehicle behind is too close.
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2. What is the recommended minimum following distance under normal driving conditions
according to NSC?
A) One second
B) Two seconds
C) Three seconds
D) Four seconds
Correct Answer: C
The three-second rule provides adequate reaction time to avoid a collision if the vehicle ahead
suddenly stops or encounters an obstacle.
3. Your vehicle begins to hydroplane on a wet road. The correct response is to:
A) Slam on the brakes
B) Accelerate quickly
C) Take your foot off the accelerator and steer straight
D) Turn the wheel sharply
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Correct Answer: C
Removing your foot from the accelerator reduces speed gradually, allowing tires to regain
contact with the road surface without losing control.
4. Which sense is most important for recognizing an approaching emergency vehicle while
driving?
A) Sight
B) Hearing
C) Smell
D) Touch
Correct Answer: B
Hearing allows you to detect sirens from emergency vehicles that may not yet be visible, giving
you time to prepare to yield.
5. A driver who texts for 4.6 seconds while traveling at 55 mph travels approximately:
A) The length of a city bus
B) The length of a football field
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C) Half a mile
D) One block
Correct Answer: B
Taking your eyes off the road for just a few seconds at highway speed covers the distance of a
football field, demonstrating the extreme danger of distracted driving.
6. According to NSC, approximately what percentage of traffic collisions are preventable?
A) 50%
B) 70%
C) 90%
D) 99%
Correct Answer: D
The NSC estimates that 99% of all traffic collisions are preventable through driver awareness,
safe behavior, and proactive decision-making.
4
NSC Defensive Driving Course Exam LATEST
UPDATE THIS YEAR (2026-2027) ALL 300
QUESTIONS AND CORRECT ANSWERS WITH
RATIONALES
NSC Defensive Driving Course Exam – 300 Randomized Questions
1. You are driving on a highway when the vehicle ahead suddenly brakes. You should
immediately:
A) Swerve into the adjacent lane without checking
B) Apply your brakes firmly while checking your mirrors
C) Honk your horn repeatedly
D) Close the gap to prevent others from cutting in
Correct Answer: B
Applying brakes firmly while checking mirrors allows you to reduce speed safely and assess
escape routes if the vehicle behind is too close.
1
, Page 2 of 173
2. What is the recommended minimum following distance under normal driving conditions
according to NSC?
A) One second
B) Two seconds
C) Three seconds
D) Four seconds
Correct Answer: C
The three-second rule provides adequate reaction time to avoid a collision if the vehicle ahead
suddenly stops or encounters an obstacle.
3. Your vehicle begins to hydroplane on a wet road. The correct response is to:
A) Slam on the brakes
B) Accelerate quickly
C) Take your foot off the accelerator and steer straight
D) Turn the wheel sharply
2
, Page 3 of 173
Correct Answer: C
Removing your foot from the accelerator reduces speed gradually, allowing tires to regain
contact with the road surface without losing control.
4. Which sense is most important for recognizing an approaching emergency vehicle while
driving?
A) Sight
B) Hearing
C) Smell
D) Touch
Correct Answer: B
Hearing allows you to detect sirens from emergency vehicles that may not yet be visible, giving
you time to prepare to yield.
5. A driver who texts for 4.6 seconds while traveling at 55 mph travels approximately:
A) The length of a city bus
B) The length of a football field
3
, Page 4 of 173
C) Half a mile
D) One block
Correct Answer: B
Taking your eyes off the road for just a few seconds at highway speed covers the distance of a
football field, demonstrating the extreme danger of distracted driving.
6. According to NSC, approximately what percentage of traffic collisions are preventable?
A) 50%
B) 70%
C) 90%
D) 99%
Correct Answer: D
The NSC estimates that 99% of all traffic collisions are preventable through driver awareness,
safe behavior, and proactive decision-making.
4
