Free Idaho DMV Driving Test Practice 2026 / ID

Question 1

In Idaho, a driver 21 or older is legally under the influence at what blood alcohol concentration?

Accepted Answer

.08 or more

Answer

.02 or more

Answer

.04 or more

Answer

.10 or more

Question 2

A 19-year-old Idaho driver can be charged with DUI once their blood alcohol concentration reaches which level?

Accepted Answer

.02

Answer

.05

Answer

.08

Answer

Any measurable amount above .00

Question 3

While operating a commercial vehicle in Idaho, a driver is over the legal limit at a BAC of:

Accepted Answer

.04 or more

Answer

.02 or more

Answer

.08 or more

Answer

.10 or more

Question 4

Idaho treats a DUI as an excessive (aggravated) offense with enhanced penalties once the driver's BAC reaches:

Accepted Answer

.20

Answer

.15

Answer

.25

Answer

.12

Question 5

Besides losing your license, what civil penalty applies when you refuse an evidentiary BAC test in Idaho?

Accepted Answer

$250.00

Answer

$50.00

Answer

$100.00

Answer

$500.00

Question 6

If the court upholds the officer after your first refusal to submit to evidentiary testing, how long is the suspension and may you obtain a restricted permit?

Accepted Answer

One year, with absolutely no driving privileges

Answer

Six months, with work privileges available

Answer

Ninety days, with a restricted permit after 30 days

Answer

Thirty days, with full privileges restored afterward

Question 7

A second refusal to submit to evidentiary testing within ten years results in a suspension of:

Accepted Answer

Two years with absolutely no driving privileges

Answer

Six months

Answer

One year

Answer

Eighteen months

Question 8

After receiving notice of an administrative license suspension for failing an evidentiary test, how long do you have to request a hearing?

Accepted Answer

Seven days from the notice date

Answer

Three days from the notice date

Answer

Fourteen days from the notice date

Answer

Thirty days from the notice date

Question 9

On a first DUI conviction in Idaho, during what portion of the suspension are driving privileges completely unavailable?

Accepted Answer

The first 30 days

Answer

There is no absolute period

Answer

The first 10 days

Answer

The entire suspension

Question 10

Where must an opened container of alcohol be carried in a vehicle traveling on an Idaho highway?

Accepted Answer

In the trunk, or behind the last upright seat if the vehicle has no trunk

Answer

Anywhere out of the driver's reach

Answer

In a closed glove compartment

Answer

On the floor behind the driver's seat

Question 11

How many questions are on the Idaho Class D knowledge test, and how many may you miss?

Accepted Answer

40 questions, with up to 6 misses allowed

Answer

50 questions, with up to 5 misses allowed

Answer

25 questions, with up to 4 misses allowed

Answer

40 questions, with up to 10 misses allowed

Question 12

If you fail the Idaho knowledge test, when may you attempt it again?

Accepted Answer

After waiting three days and paying the test fee again

Answer

The same day, after paying the fee again

Answer

After waiting seven days

Answer

After waiting thirty days and completing driver training

Question 13

During the GDL supervised instruction period, how much supervised driving must be logged?

Accepted Answer

50 hours total, 10 of them at night

Answer

30 hours total, 5 of them at night

Answer

40 hours total, with no night requirement

Answer

60 hours total, 20 of them at night

Question 14

What happens to an Idaho GDL supervised instruction period if the permit holder is convicted of a traffic law violation?

Accepted Answer

The permit is cancelled and the six-month period must start over

Answer

Nothing, as long as it is not an alcohol offense

Answer

The period is extended by 30 days

Answer

A warning letter is issued but the clock keeps running

Question 15

Who may supervise a GDL permit holder during the supervised instruction period, and where must that person sit?

Accepted Answer

A valid licensed driver at least 21 years old, seated in the front seat beside the driver

Answer

Any licensed driver over 18, seated anywhere in the vehicle

Answer

A parent or guardian only, seated in the rear seat

Answer

A licensed driver at least 25 years old, seated in the front seat

Question 16

Idaho law defines the daylight hours during which a driver under 16 may drive unsupervised as:

Accepted Answer

5:00 a.m. to 10:00 p.m.

Answer

Sunrise to sunset

Answer

6:00 a.m. to 9:00 p.m.

Answer

6:00 a.m. to midnight

Question 17

For the first six months after a driver under 17 is licensed in Idaho, passengers are limited how?

Accepted Answer

No more than one passenger under 17, unless related by blood, adoption, or marriage

Answer

No passengers of any age are permitted

Answer

Only two passengers under 17 are permitted

Answer

Passengers are limited only between 10:00 p.m. and 5:00 a.m.

Question 18

A third or subsequent GDL violation in Idaho results in a suspension of:

Accepted Answer

60 days, with no restricted permit available

Answer

10 days

Answer

30 days

Answer

6 months, with a work permit available

Question 19

What is the minimum age for a Class D Instruction Permit in Idaho, and how long is it valid?

Accepted Answer

Age 17, valid for one year

Answer

Age 15, valid for six months

Answer

Age 16, valid for two years

Answer

Age 18, valid for one year

Question 20

An Idaho license that has been expired for how long requires retaking all applicable knowledge and skills tests?

Accepted Answer

25 months or more

Answer

12 months or more

Answer

36 months or more

Answer

Any period past the expiration date

Question 21

Idaho's safety belt law applies to which occupants of a vehicle factory-equipped with belts?

Accepted Answer

All occupants of the vehicle

Answer

Only the driver

Answer

Only the driver and front-seat passengers

Answer

Only occupants under 18

Question 22

Idaho's child restraint law requires an approved child safety seat for children of what age?

Accepted Answer

6 years of age or younger

Answer

3 years of age or younger

Answer

4 years of age or younger

Answer

8 years of age or younger

Question 23

A rear-facing child safety seat must never be placed in front of an active passenger air bag.

Accepted Answer

True

Answer

False

Question 24

According to NHTSA guidance cited in the Idaho handbook, children under 13 are safest riding in the front seat.

Accepted Answer

False

Answer

True

Question 25

Idaho's child restraint requirement applies to passenger cars manufactured with safety belts after which date?

Accepted Answer

January 1, 1966

Answer

January 1, 1955

Answer

January 1, 1975

Answer

January 1, 1985

Idaho DMV Practice Test 2026 – Test #5

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