The New Jersey knowledge test
Passing score 40 of 50 (80%)
Practice test 50 questions The New Jersey Motor Vehicle Commission (MVC) sets this passing score .
Practice by topic
Road Signs What signs mean and what to do when you see them Right-of-Way Who goes first at intersections, crosswalks and roundabouts Traffic Signals Lights, arrows and pedestrian signals Lanes & Turns Lane markings, turns, passing and merging Speed Limits Limits and how to adjust your speed Parking Curb colors, hills and where you can't park Safe Driving Following distance, weather, night driving and sharing the road Alcohol & Drugs Blood alcohol limits, DUI rules and medication Emergencies Breakdowns, emergency vehicles and railroad crossings License Rules Permits, restrictions for new drivers and points Insurance & Collisions Required coverage and what to do after a crash Phones & Distraction Phone rules and other distractions Sample New Jersey practice questions
How can a New Jersey GDL driver under 21 legally drive during curfew hours to get to a job?
By bringing along an adult passenger of any age By carrying a signed letter from the employer on letterhead By displaying a third decal on the rear window By calling the MVC before each late trip Show the answer
By carrying a signed letter from the employer on letterhead
Work or religious needs allow an exemption if the driver carries a signed certification on official letterhead.
Source: New Jersey Driver Manual, Chapter 1, GDL Decal and GDL Driver Exemptions, p. 19
You hit an unattended parked car in New Jersey. What does the manual say to do?
Notify the police and try to find the owner Leave if the damage is small Call only your insurer Wait a day, then call Show the answer
Notify the police and try to find the owner
Police must be told, and you should try to locate the owner.
Source: New Jersey Driver Manual, Chapter 5, Crashes (Accidents), p. 109-110
Above what BAC will a New Jersey ignition interlock device keep the car from starting?
0.05 percent 0.15 percent 0.10 percent 0.01 percent Show the answer
0.05 percent
The interlock has a built-in breath tester that blocks the start above 0.05 percent.
Source: New Jersey Driver Manual, Chapter 7, Ignition Interlock Device, p. 127
How long is the approved behind-the-wheel course required for a New Jersey special learner permit?
Two hours Six hours Thirty hours Twelve hours Show the answer
Six hours
The course is six full hours of training in a dual-control car.
Source: New Jersey Driver Manual, Chapter 1, Special Learner Permits for New Jersey Residents, p. 19-20
In a car with anti-lock brakes, what can happen if you brake hard and jerk the steering wheel?
The air bags will open Nothing, since ABS prevents skids You may lose control, even near 35 mph The brakes stop working entirely Show the answer
You may lose control, even near 35 mph
Violent steering while braking can cause a loss of control in an ABS car, even at 35 mph on dry pavement.
Source: New Jersey Driver Manual, Chapter 3, Proper Braking, p. 53
What kind of information do brown rectangular signs give?
Speed limits Truck routes Warnings of hazards Public recreation and scenic guidance Show the answer
Public recreation and scenic guidance
Brown signs point the way to parks and scenic areas.
Source: New Jersey Driver Manual, Chapter 11, Sign colors and shapes, p. 214
What are rumble strips on a highway meant to tell you?
Parking is allowed The lane is for trucks only The road is closing for good A decision point is ahead Show the answer
A decision point is ahead
The noise and vibration warn of something like an intersection ahead and encourage you to slow down.
Source: New Jersey Driver Manual, Chapter 11, Special Warning Signs and Rumble Strips, p. 217-218
The light changes while you are already in the intersection. What should you do?
Back up out of it Stop where you are Continue through with care Speed up sharply Show the answer
Continue through with care
Once you are in the intersection, finish crossing carefully.
Source: New Jersey Driver Manual, Chapter 4, Stopping Regulations, p. 74
What is the speed limit on a rural New Jersey road with no posted limit?
Show the answer
50 mph
Non-posted rural roads have a 50 mph limit.
Source: New Jersey Driver Manual, Chapter 4, Speed Control, p. 62-64
When traffic lights are mounted side by side, where is the red light?
It varies by town On the left In the middle On the right Show the answer
On the left
Red is on the left in a horizontal signal and on top in a vertical one.
Source: New Jersey Driver Manual, Chapter 11, Traffic Signals, p. 212-213
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About these questions
We wrote these practice questions from the facts in the New Jersey Driver Manual (2026 edition (back cover code R0726), PDF modified 2026-09-23, read 2026-11-07 edition) and from official sources on road signs. Every answer links to its source, so you can check it and read more.
DMV Decoded is an independent guide, not a government agency. This practice test is not connected to the New Jersey Motor Vehicle Commission (MVC), and your actual test will have different questions. Study the handbook, and check the agency's website for current rules.
