Utah: Alcohol and drugs — Part 3 Practice Test
Questions in this part include: “If you operate a motorboat while under the influence of alcohol or drugs, which laws apply?” · “What results from a conviction for violating the interlock-restricted driver (IRD) law by driving without an IID?”
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Questions are original and based on the official manual "Utah Driver Handbook" (2026 edition (new 2026 laws effective May 6, 2026)), Utah Department of Public Safety, Driver License Division.
All 18 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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What happens if a driver is convicted of driving with any measurable amount of alcohol during the alcohol-restricted period?
- The driver license is revoked for six months
- The driver license is revoked for one year
- The driver license is revoked for two years
- The driver license is revoked for five years
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Correct answer: The driver license is revoked for one year
Even after reinstatement, a conviction for driving with any measurable alcohol during the restricted period means a one-year revocation.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 53 · Open this page in the manual (Manual page 53)
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If you operate a motorboat while under the influence of alcohol or drugs, which laws apply?
- Boating laws that are less strict than driving laws
- Only a boating fine, with no effect on a driver license
- No law applies unless you are under 21
- The same laws as for operating a motor vehicle under the influence
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Correct answer: The same laws as for operating a motor vehicle under the influence
Operating a motorboat under the influence is treated the same as doing so in a motor vehicle.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 53 · Open this page in the manual (Manual page 53)
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A driver who was 21 or older when arrested is convicted of a first DUI. For how long are they automatically restricted to driving a vehicle with an ignition interlock device (IID)?
- 6 months
- 12 months
- 18 months
- Two years
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Correct answer: 18 months
A first DUI conviction brings an automatic IID restriction of 18 months, or three years for a driver under 21 at arrest.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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A driver under 21 when arrested is convicted of a first DUI. For how long are they automatically restricted to driving a vehicle with an IID?
- Three years
- 18 months
- Two years
- Five years
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Correct answer: Three years
If the driver was under 21 at arrest, the first-DUI IID restriction is three years instead of 18 months.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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For a second or subsequent DUI, impaired driving, or alcohol-related reckless driving conviction, how long is a driver automatically restricted to driving a vehicle with an IID?
- One year
- 18 months
- Five years
- Two years
Show answer
Correct answer: Two years
The automatic IID restriction for a second or subsequent offense is two years.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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A driver is revoked for refusing a chemical test after a DUI arrest. How long is the automatic IID restriction?
- One year
- Two years
- 18 months
- Five years
Show answer
Correct answer: Two years
A revocation for refusing a chemical test after a DUI arrest carries an automatic two-year IID restriction.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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How long is the IID restriction for a felony DUI?
- One year
- Three years
- Two years
- Five years
Show answer
Correct answer: Three years
A felony DUI carries a three-year IID restriction.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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How long is the IID restriction for automobile homicide?
- Two years
- Five years
- Seven years
- Ten years
Show answer
Correct answer: Ten years
Automobile homicide carries a 10-year IID restriction.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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What happens if the IID is removed from the vehicle before the ignition interlock driver restriction period ends?
- The driving privilege is re-suspended
- The restriction period ends early
- The driver receives a warning only
- The restriction stays the same, with a fine
Show answer
Correct answer: The driving privilege is re-suspended
Removing the device early means the driving privilege will be suspended again.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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How may the suspension of an ignition interlock-restricted driver be reinstated?
- By completing a defensive driving course approved by the division
- By waiting 30 days without committing any further offense
- By installing an IID in the vehicle and paying the required reinstatement fee
- By appearing before a judge to ask for the restriction to be lifted
Show answer
Correct answer: By installing an IID in the vehicle and paying the required reinstatement fee
The suspension may be reinstated by installing an ignition interlock device in the vehicle and paying the required reinstatement fee.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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What results from a conviction for violating the interlock-restricted driver (IRD) law by driving without an IID?
- License revocation for one year and an additional two-year IID restriction
- License suspension for 120 days and a three-year IID restriction
- License revocation for 18 months with no added IID restriction
- A fine only, with the existing IID restriction unchanged
Show answer
Correct answer: License revocation for one year and an additional two-year IID restriction
The conviction brings a one-year revocation plus another two-year IID restriction from the date of conviction.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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Ignition interlock-restricted drivers are required to have the device monitored at least how often?
- Every 30 days
- Every 90 days
- Every 60 days
- Every 180 days
Show answer
Correct answer: Every 60 days
The device must be monitored at least every 60 days.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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By how much is the ignition interlock requirement extended each time a driver fails to have the device monitored?
- 30 days
- 60 days
- 90 days
- Six months
Show answer
Correct answer: 60 days
Each failure to have the device monitored extends the requirement by 60 days.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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Attempting to start the vehicle with a measurable amount of alcohol of what level or higher extends the ignition interlock requirement?
- 0.05 or higher
- 0.08 or higher
- 0.10 or higher
- 0.02 or higher
Show answer
Correct answer: 0.02 or higher
A start attempt at 0.02 or higher extends the requirement by 60 days for each occurrence.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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If a driver is arrested for DUI, what may the officer do with the vehicle?
- Sell it on the spot
- Release it to any passenger
- Have it impounded
- Nothing; only a judge may impound it
Show answer
Correct answer: Have it impounded
The officer may have the vehicle or motorboat impounded after a DUI arrest.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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If a vehicle is impounded after a DUI arrest, who notifies the owner and explains what must be done to get it out?
- The DMV
- The arresting officer
- The towing company
- The local court
Show answer
Correct answer: The DMV
The DMV notifies the owner and provides the information on getting the vehicle out of impound.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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Which fees must the owner of an impounded vehicle pay before it is released?
- Only the towing charge
- Towing and a court fine for the arrest
- Storage and the cost of an ignition interlock device
- Towing, storage, and administrative costs
Show answer
Correct answer: Towing, storage, and administrative costs
The vehicle is released once all requirements are met and fees paid, including towing, storage charges, and administrative costs.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)
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What happens to an impounded vehicle that is not claimed within the allowed time?
- It is returned to the owner at no cost
- It shall be sold
- It is donated to charity
- It is held indefinitely
Show answer
Correct answer: It shall be sold
An unclaimed impounded vehicle is sold.
Source: Utah Driver Handbook (2026 edition (new 2026 laws effective May 6, 2026)), page 54 · Open this page in the manual (Manual page 54)