New Jersey DMV Cheat Sheet
The 25 hardest New Jersey questions, with answers · free, no sign-up · Updated July 12, 2026
Not a cheat — a shortcut. These are the 25 toughest questions in our handbook-verified New Jersey bank: the tricky wording, the numbers people mix up, the rules nobody remembers. Every answer comes with the explanation, so five minutes here covers the material most likely to cost you points on the real 50-question exam (80% to pass).
Answer each question to see the explanation. Your score is tallied against the real passing bar at the end.
1. A parent convicted of DUI while a child under 18 is a passenger in the vehicle is guilty of:
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Correct answer: A disorderly persons offense with added suspension and community service
A parent or guardian convicted of DUI with a minor (under 18) as a passenger is guilty of a disorderly persons offense, faces up to a six-month license suspension, and must perform up to five days of community service. (N.J.S.A. 39:4-50.15)
2. Refusing to take a breath test when arrested for drunk driving in New Jersey is:
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Correct answer: A separate offense with its own penalties, including loss of driving privileges
Refusing a breath test is illegal and is a separate offense. Penalties include loss of driving privileges, referral to an IDRC, fines, installation of an ignition interlock device, and a violation surcharge of $1,000 per year for three years. (N.J.S.A. 39:4-50.4a)
3. Older gasoline-powered passenger vehicles subject to State inspection in New Jersey must be inspected:
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Correct answer: Every two years
Gasoline-fueled passenger vehicles (model year 1996 and newer, more than five model years old) must pass State inspection every two years. New passenger vehicles less than five model years old are issued a dealer sticker and are exempt during that period. (N.J.S.A. 39:8-2)
4. If an Examination Permit or probationary license holder is 21 years of age or older, the GDL restrictions on:
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Correct answer: Hours, passengers, and decals do not apply
If the Examination Permit or probationary license holder is 21 or older, the hour, passenger, and decal restrictions do not apply. The GDL curfew, passenger limit, and red decals target drivers under 21.
5. A new resident who moves to New Jersey with a valid out-of-state license must purchase an examination permit within:
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Correct answer: 60 days of becoming a permanent resident, or when the out-of-state license expires, whichever comes first
Out-of-state drivers must purchase an examination permit within 60 days of becoming a permanent New Jersey resident or when their out-of-state license expires, whichever comes first. Knowledge and road tests are waived if the applicant holds a valid, non-probationary out-of-state license, but the out-of-state license must be surrendered.
6. When practicing parallel parking with markers, how far apart should the markers be placed to represent parked vehicles?
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Correct answer: 25 feet apart
When practicing parallel parking, flags or markers can be placed 25 feet apart to show where other vehicles would be. If you hit them, keep practicing before parking between real vehicles.
7. On the road test, you may be asked to back your vehicle in a straight line for about:
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Correct answer: 100 feet
You must be able to drive in reverse to pass the road test. You will be asked to back the vehicle about 100 feet in a straight line, slowly and smoothly.
8. Under New Jersey law, using backup lights while the vehicle is moving forward is:
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Correct answer: Illegal
Backup lights should come on when driving in reverse and must be kept in working order. It is against New Jersey law to have any backup lights on while a vehicle is moving forward. (N.J.S.A. 39:3-52)
9. In a weave lane — where a highway entrance and exit share the same stretch of road — the motorist entering from the entrance ramp must:
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Correct answer: Yield the right-of-way to the motorist leaving the expressway
A weave lane is both an entrance and an exit for an expressway. The motorist entering from the entrance ramp must yield the right-of-way to the motorist leaving the expressway.
10. When a school bus is stopped directly in front of a school to load or unload children, a motorist may pass:
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Correct answer: From either direction at a speed of no more than 10 mph
If a school bus is stopped directly in front of a school to pick up or drop off children, a motorist may pass from either direction at a speed of no more than 10 mph, watching carefully for children.
11. Wet road surfaces can cause a vehicle’s tires to hydroplane, or ride up on a film of water, starting at about:
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Correct answer: 35 mph
Hydroplaning can begin at about 35 mph on wet roads and increases with speed. Above 55 mph, tires may leave the road surface entirely, making braking and steering nearly impossible.
12. If the rear of your vehicle begins to skid, you should:
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Correct answer: Take your foot off the gas and steer in the direction the rear is skidding
In a skid, take your foot off the gas and steer in the direction the rear of the vehicle is sliding, without over-steering. Look where you want to go, and avoid using the brakes during a side skid.
13. An X-shaped "crossbuck" railroad-crossing sign means the same as a:
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Correct answer: Yield sign
The X-shaped crossbuck has the same meaning as a yield sign. Motorists must always yield the right-of-way to trains, which cannot swerve to avoid vehicles.
14. A white square sign with a red circle and a horizontal white band, reading "DO NOT ENTER," tells a motorist:
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Correct answer: Not to enter the roadway from that point
The DO NOT ENTER sign — a white square with a red circle crossed by a horizontal white band — marks a roadway or ramp you must not enter, such as an exit ramp or a one-way street against the flow.
15. When approaching a pedestrian or bicycle warning sign, which may be an optional yellow-green color, a motorist must:
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Correct answer: Be prepared to share the road with pedestrians and bicyclists and yield to them
Pedestrian-crossing and bicycle warning signs, sometimes an optional yellow-green color, alert motorists that they must share the road with pedestrians and bicyclists and yield to them.
16. A yellow solid line paired with a yellow dashed line controls passing so that a motorist may:
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Correct answer: Pass only if the dashed line is on his or her side of the road
With a solid-and-dashed yellow line combination, pass only if the dashed line is on your side of the road. If the solid yellow line is on your side, do not pass. A pass must be completed before the dashed line becomes solid.
17. State law requires non-emergency vehicles to yield the right of way to a bus that is:
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Correct answer: Re-entering traffic after dropping off or picking up passengers
All non-emergency vehicles must yield the right of way to a bus re-entering traffic after dropping off or picking up passengers. Once the bus is back in the normal flow of traffic, motorists are not required to yield to it changing lanes. (N.J.S.A. 39:4-87.1)
18. A low-speed vehicle (LSV) is a four-wheeled vehicle with a top speed on a paved surface of:
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Correct answer: More than 20 mph but no more than 25 mph
A low-speed vehicle (LSV) is a four-wheeled vehicle with an attainable speed of more than 20 mph but no more than 25 mph on a paved surface. It cannot run on gas or diesel and may be difficult to see, so stay alert. (N.J.S.A. 39:4-31.1)
19. If your vehicle stalls on railroad tracks and a train is coming, you should:
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Correct answer: Get out immediately and move away at a 45-degree angle toward the oncoming train
If your vehicle stalls on the tracks, get out immediately and move quickly away from the vehicle and tracks at a 45-degree angle in the direction from which the train is coming, then call the number on the Emergency Notification sign or 911.
20. At 60 mph, a vehicle travels about how far each second?
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Correct answer: 88 feet
A vehicle travels approximately 88 feet per second at 60 mph. At highway speed, even a brief distraction covers a surprising distance before you can react.
21. The typical reaction time for most motorists under most conditions is about:
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Correct answer: Three-quarters (¾) of a second
Most motorists under most traffic conditions have a typical reaction time of about three-quarters of a second before they even begin to brake — and the vehicle keeps moving the whole time.
22. On an interstate posted at 55 mph, the maximum legal speed for a passenger vehicle is:
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Correct answer: 55 mph — you may never exceed the posted limit
The posted limit is the maximum legal speed. On certain state highways and interstates the limit is 55 mph as posted; 65 mph applies only where separately posted. Keeping with the flow of traffic never authorizes exceeding the posted limit.
23. When two vehicles meet at an intersection and both have signaled a left turn, each motorist should, when safe:
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Correct answer: Turn to the left of the center of the intersection
When two vehicles meet at an intersection and both have signaled to turn left, extra caution is required. When safe, each motorist should turn to the left of the center of the intersection so they pass each other driver-side to driver-side.
24. A pass must always be:
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Correct answer: Completed before the center lines become solid again
All passing must be completed before the center lines become solid again. Do not begin a pass you cannot finish within the broken-line zone.
25. You may check that your outside mirror is properly adjusted by letting a vehicle pass on the left. It is set well when:
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Correct answer: As the passing vehicle leaves the inside rearview mirror, you can see its front bumper in the outside mirror
To check the outside mirror, let a vehicle pass on the left. As it disappears from the inside rearview mirror, you should be able to see its front bumper in the outside mirror — a sign the mirror is adjusted to minimize blind spots.
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