New Jersey: Alcohol & drugs — Part 3 Practice Test
Questions in this part include: “A medicine label says it "may cause drowsiness or dizziness." According to the manual, what should you do?” · “Marijuana use can cause a "loss of tracking ability." According to the manual, what is tracking ability?”
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Questions are original and based on the official manual "New Jersey Driver Manual" (2026), New Jersey Motor Vehicle Commission (MVC).
All 20 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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Under New Jersey law, it is illegal to operate a motor vehicle while under the influence of any drug or while:
- Carrying your own prescribed medication inside the vehicle
- Carrying over-the-counter pain relievers in the car
- In possession of any drug without a valid prescription
- Having taken a daily vitamin supplement that morning
Show answer
Correct answer: In possession of any drug without a valid prescription
It is illegal to drive on New Jersey roadways while under the influence of any drugs or while in possession of any drug without a valid prescription.
Source: New Jersey Driver Manual (2026), page 117 · Open this page in the manual (Manual page 117)
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A medicine label says it "may cause drowsiness or dizziness." According to the manual, what should you do?
- Not take it before driving
- Drive only in daylight after taking it
- Take it with food, then drive
- Take half the dose before driving
Show answer
Correct answer: Not take it before driving
The manual says drugs that "may cause drowsiness or dizziness" should not be taken before driving.
Source: New Jersey Driver Manual (2026), page 117 · Open this page in the manual (Manual page 117)
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According to the manual, whom should you ask about how an over-the-counter drug may affect your driving?
- The store's cashier
- A professional
- No one, since such drugs never affect driving
- A friend who has used it
Show answer
Correct answer: A professional
The manual advises asking a professional about how over-the-counter drugs may affect driving.
Source: New Jersey Driver Manual (2026), page 117 · Open this page in the manual (Manual page 117)
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Which drugs does the manual list as ones that may affect basic driving skills?
- Only drugs that are mixed with alcohol
- Only illegal drugs bought on the street
- Cold pills, tranquilizers and some prescriptions
- Only drugs taken in doses larger than the label directs
Show answer
Correct answer: Cold pills, tranquilizers and some prescriptions
Drugs that may affect basic driving skills include cold pills, tranquilizers and some prescription medications.
Source: New Jersey Driver Manual (2026), page 117 · Open this page in the manual (Manual page 117)
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According to the manual, what should you do before mixing different drugs?
- Ask a medical professional about side effects
- Take them together with a meal
- Check with a friend who has taken them
- Take them at least one hour apart from each other
Show answer
Correct answer: Ask a medical professional about side effects
Never mix drugs without asking a medical professional about possible side effects or how the drugs may affect driving.
Source: New Jersey Driver Manual (2026), page 117 · Open this page in the manual (Manual page 117)
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According to the manual, when is it acceptable to mix alcohol with drugs or medications?
- Only with over-the-counter medications
- Only when the dose is small
- Only with a doctor's approval
- Never
Show answer
Correct answer: Never
The manual states that alcohol should never be mixed with any drugs or medications.
Source: New Jersey Driver Manual (2026), page 117 · Open this page in the manual (Manual page 117)
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If a law enforcement officer asks, what must a motorist who is using prescription drugs show?
- A note from a family member
- Proof of the prescription
- The empty medicine bottle only
- A certificate from a driving school
Show answer
Correct answer: Proof of the prescription
If asked, motorists using prescription drugs must show proof of the prescription to law enforcement.
Source: New Jersey Driver Manual (2026), page 117 · Open this page in the manual (Manual page 117)
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According to the manual, after alcohol, which drug is most often found in drivers involved in crashes?
- Sleeping pills
- Marijuana
- Cocaine
- Heroin
Show answer
Correct answer: Marijuana
After alcohol, marijuana is the drug most often found with drivers involved in crashes.
Source: New Jersey Driver Manual (2026), page 117 · Open this page in the manual (Manual page 117)
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Marijuana use can cause a "loss of tracking ability." According to the manual, what is tracking ability?
- The ability to follow the route set on a GPS device
- The ability to see well at night
- The ability to judge speed by sound
- The ability to keep a vehicle in its lane
Show answer
Correct answer: The ability to keep a vehicle in its lane
Tracking ability is the ability to maintain a vehicle in its lane, and marijuana use may cause a loss of it.
Source: New Jersey Driver Manual (2026), page 117 · Open this page in the manual (Manual page 117)
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Marijuana use can reduce a motorist's vigilance. According to the manual, what can this lead to?
- Overly careful use of turn signals and mirrors
- Better judgment of the distances to other vehicles nearby
- Following too closely or drifting into another lane
- Sharper attention to the road and traffic ahead
Show answer
Correct answer: Following too closely or drifting into another lane
Not remaining attentive to the driving task (vigilance) can cause a motorist to follow too closely or drift into another lane.
Source: New Jersey Driver Manual (2026), page 117 · Open this page in the manual (Manual page 117)
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According to the New Jersey Driver Manual, which of these is one of the ways marijuana use may affect a motorist?
- It can weaken divided attention
- It improves the ability to stay in a lane
- It makes a motorist more attentive
- It sharpens judgment of following distance
Show answer
Correct answer: It can weaken divided attention
The manual lists loss of tracking ability, distance judgment, vigilance and divided attention as ways marijuana may affect a motorist; driving requires constant attention to traffic, the road, weather, passengers and gauges.
Source: New Jersey Driver Manual (2026), page 117 · Open this page in the manual (Manual page 117)
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According to the manual, where are the common side effects of a prescription drug described?
- Only on the MVC website
- On the label of the prescription bottle
- On the back of your driver license
- Only in the New Jersey Driver Manual
Show answer
Correct answer: On the label of the prescription bottle
The labels on bottles of prescription drugs describe common side effects; drugs that "may cause drowsiness or dizziness" should not be taken before driving.
Source: New Jersey Driver Manual (2026), page 117 · Open this page in the manual (Manual page 117)
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In New Jersey, how old must a person be to purchase, possess or consume alcohol?
- Age 18 or older
- Age 19 or older
- Age 21 or older
- Age 20 or older
Show answer
Correct answer: Age 21 or older
In New Jersey a person must be age 21 or older to purchase, possess or consume alcohol; underage drinking is illegal.
Source: New Jersey Driver Manual (2026), page 122 · Open this page in the manual (Manual page 122)
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In New Jersey, a driver under age 21 who buys or drinks alcohol in a place with an alcoholic beverage license may be fined:
- $500
- $100
- $1,000
- $250
Show answer
Correct answer: $500
An under-21 driver who buys or drinks alcohol in a licensed place may be fined $500 and lose their license for a period of time.
Source: New Jersey Driver Manual (2026), page 123 · Open this page in the manual (Manual page 123)
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In New Jersey, if a person under 21 who does not yet have a driver license gets a license suspension for an alcohol offense, when does the suspension start?
- Never, because there is no license to suspend
- When they first become eligible to receive a license
- On the day they reach the legal drinking age of 21
- It is replaced by a fine with no suspension at all
Show answer
Correct answer: When they first become eligible to receive a license
If an under-21 person has no driver license, the suspension starts when they are first eligible to receive one.
Source: New Jersey Driver Manual (2026), page 123 · Open this page in the manual (Manual page 123)
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In New Jersey, what is the fine for a first DUI offense with a BAC of 0.08% or more but less than 0.10%?
- $100-$250
- $500-$1,000
- $250-$400
- $300-$500
Show answer
Correct answer: $250-$400
The mandatory penalties for a first offense with a BAC of 0.08% or more but less than 0.10% include a $250-$400 fine.
Source: New Jersey Driver Manual (2026), page 123 · Open this page in the manual (Manual page 123)
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In New Jersey, what is the fine for a first DUI offense with a BAC of 0.10% or more?
- $500-$1,000
- $1,000-$2,000
- $300-$500
- $250-$400
Show answer
Correct answer: $300-$500
The mandatory penalties for a first offense with a BAC of 0.10% or more include a $300-$500 fine.
Source: New Jersey Driver Manual (2026), page 123 · Open this page in the manual (Manual page 123)
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A first DUI offense in New Jersey includes participation in an Intoxicated Driver Resource Center (IDRC) for:
- 48 to 72 hours
- 12 to 48 hours
- 7 to 14 days
- 6 to 12 hours
Show answer
Correct answer: 12 to 48 hours
The mandatory first-offense penalties include 12- to 48-hour participation in an Intoxicated Driver Resource Center.
Source: New Jersey Driver Manual (2026), page 123 · Open this page in the manual (Manual page 123)
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What is the maximum imprisonment for a first DUI offense in New Jersey?
- Up to 10 days
- Up to 180 days
- Up to 90 days
- Up to 30 days
Show answer
Correct answer: Up to 30 days
The mandatory first-offense DUI penalties include up to 30 days of imprisonment.
Source: New Jersey Driver Manual (2026), page 123 · Open this page in the manual (Manual page 123)
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A first DUI conviction in New Jersey carries an annual surcharge of:
- $1,000 a year for three years
- $250 a year for three years
- $1,500 a year for five years
- $500 a year for two years
Show answer
Correct answer: $1,000 a year for three years
The first-offense DUI penalties include a $1,000 annual surcharge for three years.
Source: New Jersey Driver Manual (2026), page 123 · Open this page in the manual (Manual page 123)