New Jersey: Alcohol & drugs — Part 5 Practice Test
Questions in this part include: “For a second or subsequent DUI offense in New Jersey, how long must an ignition interlock device be installed?” · “In New Jersey, where are second-time alcohol offenders detained?”
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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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Motorists who refuse to take a breath test in New Jersey are subject to a violation surcharge of:
- $1,500 per year for five years
- $250 per year for three years
- $1,000 per year for three years
- $500 per year for two years
Show answer
Correct answer: $1,000 per year for three years
Refusing a breath test in New Jersey brings a violation surcharge of $1,000 per year for three years.
Source: New Jersey Driver Manual (2026), page 127 · Open this page in the manual (Manual page 127)
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In New Jersey, a loss of driving privileges for a breath-test refusal may run concurrently or consecutively, based on:
- The insurance company's request
- A judge's order
- The motorist's own choice
- The arresting officer's decision
Show answer
Correct answer: A judge's order
Depending on past offenses, the loss of driving privileges for a refusal conviction may run concurrently or consecutively, based on a judge's order.
Source: New Jersey Driver Manual (2026), page 127 · Open this page in the manual (Manual page 127)
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In New Jersey, a conviction for refusing a breath test in connection with a first offense results in the loss of driving privileges until:
- The motorist passes a new road test
- The motorist finishes 100 hours of community service
- The motorist's next license renewal date
- An ignition interlock device has been installed
Show answer
Correct answer: An ignition interlock device has been installed
A refusal conviction connected with a first offense results in loss of driving privileges until an ignition interlock device has been installed.
Source: New Jersey Driver Manual (2026), page 127 · Open this page in the manual (Manual page 127)
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According to the New Jersey Driver Manual, an ignition interlock device has a built-in breathalyzer and prevents the vehicle from starting if the motorist's BAC exceeds:
- 0.05%
- 0.08%
- 0.10%
- 0.01%
Show answer
Correct answer: 0.05%
The manual says an ignition interlock device prevents the vehicle from starting if the motorist's BAC exceeds 0.05%.
Source: New Jersey Driver Manual (2026), page 127 · Open this page in the manual (Manual page 127)
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In New Jersey, a motorist convicted of DUI may be required to install an ignition interlock device in:
- Only rental vehicles that the person drives
- A vehicle the person owns, leases, or principally operates
- Only vehicles registered outside New Jersey
- Every vehicle owned by anyone in the person's household
Show answer
Correct answer: A vehicle the person owns, leases, or principally operates
A motorist convicted of DUI may be required to install the device in a motor vehicle the person owns, leases, or principally operates.
Source: New Jersey Driver Manual (2026), page 127 · Open this page in the manual (Manual page 127)
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For a first DUI offense with a BAC of 0.08% or greater but less than 0.10%, how long must an ignition interlock device be installed in New Jersey?
- 12 to 15 months from restoration
- 7 months to 1 year from restoration
- 2 to 4 years from restoration
- 3 months from restoration
Show answer
Correct answer: 3 months from restoration
For this first offense, the ignition interlock device must be installed for three months from the date driving privileges are restored.
Source: New Jersey Driver Manual (2026), page 127 · Open this page in the manual (Manual page 127)
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For a first DUI offense with a BAC of 0.10% or greater but less than 0.15%, how long must an ignition interlock device be installed in New Jersey?
- 7 months to 1 year from restoration
- 2 to 4 years from the date of restoration
- 8 years from the date of restoration
- 3 months from the date of restoration
Show answer
Correct answer: 7 months to 1 year from restoration
For this first offense, the ignition interlock device must be installed for seven months to one year from the date driving privileges are restored.
Source: New Jersey Driver Manual (2026), page 127 · Open this page in the manual (Manual page 127)
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For a first DUI offense with a BAC of 0.15% or higher in New Jersey, when must an ignition interlock device be installed?
- For three months after restoration, but not during suspension
- During the suspension and for ten years after restoration
- During the suspension and for 12 to 15 months after restoration
- Only during the suspension, then it may be removed
Show answer
Correct answer: During the suspension and for 12 to 15 months after restoration
A first DUI offense with a BAC of 0.15% or higher requires the device during the suspension and for 12-15 months from the date of restoration.
Source: New Jersey Driver Manual (2026), page 127 · Open this page in the manual (Manual page 127)
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For a second or subsequent DUI offense in New Jersey, how long must an ignition interlock device be installed?
- During the suspension only, with none after restoration
- For three months after the license is restored only
- For seven months to one year after restoration only
- During the suspension and for 2 to 4 years after restoration
Show answer
Correct answer: During the suspension and for 2 to 4 years after restoration
A second or subsequent DUI (or refusal) offense requires the device during the suspension and for two to four years from the date of restoration.
Source: New Jersey Driver Manual (2026), page 127 · Open this page in the manual (Manual page 127)
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In New Jersey, a person convicted of a first violation for operating a commercial motor vehicle with a BAC of 0.04% but less than 0.08% faces what regarding their basic driver's license?
- It stays valid, but their personal vehicle must have an interlock device
- It is not affected, and no interlock device is required in any vehicle
- It is permanently revoked along with their commercial driver's license
- It is suspended for ten years along with their commercial driver's license
Show answer
Correct answer: It stays valid, but their personal vehicle must have an interlock device
For this first commercial-vehicle violation there is no suspension of the basic driver's license, but an ignition interlock device must be installed in the offender's non-commercial vehicle for as long as the commercial license is suspended.
Source: New Jersey Driver Manual (2026), page 128 · Open this page in the manual (Manual page 128)
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In New Jersey, voluntarily installing an ignition interlock device before a DUI conviction may result in:
- Automatic dismissal of the DUI charge and all court costs
- A larger surcharge because installing it admits guilt
- A reduction in fines and, where applicable, a shorter suspension
- The arrest being removed from the driving record entirely
Show answer
Correct answer: A reduction in fines and, where applicable, a shorter suspension
The manual says voluntary installation before conviction may reduce the fines and, when applicable, the period of license suspension.
Source: New Jersey Driver Manual (2026), page 128 · Open this page in the manual (Manual page 128)
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For offenses on or after February 19, 2024, a New Jersey motorist arrested for certain alcohol-related offenses who voluntarily installs an ignition interlock device before conviction may request from the MVC:
- A special license plate showing that the device is installed
- A license noting they may drive only vehicles with an interlock device
- A permanent exemption from having to take any future breath tests
- A temporary commercial driver's license to use for work purposes only
Show answer
Correct answer: A license noting they may drive only vehicles with an interlock device
For offenses on or after February 19, 2024, such a person may request a driver's license with a notation that they are not to operate a motor vehicle unless it is equipped with an ignition interlock device.
Source: New Jersey Driver Manual (2026), page 128 · Open this page in the manual (Manual page 128)
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According to the New Jersey Driver Manual, a motorist charged with an alcohol-related traffic offense must be detained at:
- The nearest Motor Vehicle Commission office
- A state prison for at least 30 days
- A county courthouse holding room
- An Intoxicated Driver Resource Center (IDRC)
Show answer
Correct answer: An Intoxicated Driver Resource Center (IDRC)
State law requires that any motorist charged with an alcohol-related traffic offense be detained at an Intoxicated Driver Resource Center (IDRC).
Source: New Jersey Driver Manual (2026), page 128 · Open this page in the manual (Manual page 128)
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In New Jersey, where are second-time alcohol offenders detained?
- At a state police barracks
- At one of three regional IDRCs
- At the nearest MVC agency office
- At the IDRC in their own county
Show answer
Correct answer: At one of three regional IDRCs
Each of New Jersey's 21 counties has an IDRC for first- and third-time offenders, but second-time offenders are detained at one of three regional IDRCs.
Source: New Jersey Driver Manual (2026), page 128 · Open this page in the manual (Manual page 128)
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During detention at a New Jersey IDRC, what does the center do besides running an alcohol and highway safety education program?
- Evaluates each offender for an alcohol or drug problem
- Inspects each offender's vehicle for safety defects
- Gives each offender a new behind-the-wheel road test
- Issues each offender a restricted work-only license
Show answer
Correct answer: Evaluates each offender for an alcohol or drug problem
The IDRC evaluates each offender for an alcohol or drug problem and decides whether treatment is needed.
Source: New Jersey Driver Manual (2026), page 128 · Open this page in the manual (Manual page 128)
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In New Jersey, offenders whom an IDRC finds in need of treatment are referred to a provider for a treatment program of at least:
- 4 weeks
- 52 weeks
- 16 weeks
- 8 weeks
Show answer
Correct answer: 16 weeks
Offenders deemed in need of treatment are referred to an appropriate provider for at least a 16-week treatment program.
Source: New Jersey Driver Manual (2026), page 128 · Open this page in the manual (Manual page 128)
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In New Jersey, what happens if an alcohol offender fails to comply with their state-assigned IDRC program?
- A warning letter in the mail, with no effect on the license
- Nothing, since the program is only a recommendation to them
- A small late fee added, with no effect on the license at all
- Further loss of driving privileges and possible imprisonment
Show answer
Correct answer: Further loss of driving privileges and possible imprisonment
Satisfactory participation in the state-assigned program is a condition for re-licensing; failure to comply results in further loss of driving privileges and possible imprisonment.
Source: New Jersey Driver Manual (2026), page 128 · Open this page in the manual (Manual page 128)
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In New Jersey, a motorist who carries an open or unsealed alcoholic beverage container in the passenger area of a vehicle faces what fine for a first offense?
- $1,000
- $50
- $500
- $200
Show answer
Correct answer: $200
Carrying open or unsealed alcoholic beverage containers in the passenger area brings a $200 fine for a first offense.
Source: New Jersey Driver Manual (2026), page 129 · Open this page in the manual (Manual page 129)
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In New Jersey, what is the penalty for a subsequent offense of carrying open alcoholic beverage containers in the passenger area of a vehicle?
- $250 or 10 days of community service
- $1,000 and one year without a license
- $100 or 5 days of community service
- $500 or 30 days in jail
Show answer
Correct answer: $250 or 10 days of community service
All subsequent open-container offenses carry a $250 fine or 10 days of community service.
Source: New Jersey Driver Manual (2026), page 129 · Open this page in the manual (Manual page 129)
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New Jersey's penalty for carrying open or unsealed alcoholic beverage containers in a vehicle's passenger area also applies to:
- Unopened cans in a trunk cooler
- Prescription medicine in its bottle
- Unsealed cannabis items
- Sealed bottles locked in the trunk
Show answer
Correct answer: Unsealed cannabis items
The same rule and fines cover open or unsealed alcoholic beverage containers and unsealed cannabis items in the passenger area.
Source: New Jersey Driver Manual (2026), page 129 · Open this page in the manual (Manual page 129)