Free Idaho DMV Practice Test 2026 (ID)

Question 1

Unless a different limit is posted, what is the maximum speed on an Idaho interstate highway?

Accepted Answer

75 mph

Answer

65 mph

Answer

70 mph

Answer

80 mph

Question 2

Where signs specifically allow it, what is the highest speed limit that may be posted on an Idaho interstate?

Accepted Answer

80 mph

Answer

70 mph

Answer

85 mph

Answer

75 mph

Question 3

Unless a higher limit is specifically posted, the speed limit on an Idaho state highway may not exceed:

Accepted Answer

65 mph

Answer

55 mph

Answer

60 mph

Answer

70 mph

Question 4

In a residential, business, or urban district with no posted sign, the maximum lawful speed in Idaho is:

Accepted Answer

35 mph

Answer

25 mph

Answer

45 mph

Answer

30 mph

Question 5

True or False: Driving too slowly and impeding the safe flow of traffic also violates Idaho's basic speed rule.

Accepted Answer

True

Answer

False

Question 6

While passing a slower vehicle on a two-lane road posted at 55 mph or higher, an Idaho driver may exceed the posted limit by no more than:

Accepted Answer

15 mph

Answer

5 mph

Answer

10 mph

Answer

20 mph

Question 7

Which vehicles may use Idaho's 15 mph passing allowance on a two-lane roadway?

Accepted Answer

A passenger vehicle, motorcycle, or pickup that is not towing

Answer

Any vehicle, including a loaded semi-truck

Answer

Any pickup, even one towing a trailer

Answer

Only vehicles registered in Idaho

Question 8

Idaho's 15 mph passing allowance does NOT apply:

Accepted Answer

in a work zone

Answer

after dark

Answer

on any state highway

Answer

in wet weather

Question 9

On a multi-lane Idaho highway, a driver must not:

Accepted Answer

occupy the extreme left lane so as to impede lawful traffic

Answer

use the left lane to complete a pass

Answer

change lanes more than once per mile

Answer

remain in the right lane for long distances

Question 10

What is the minimum recommended following distance in good driving conditions?

Accepted Answer

Three seconds

Answer

Two seconds

Answer

Four seconds

Answer

One second

Question 11

How do you check your gap using the three-second rule?

Accepted Answer

Start counting when the vehicle ahead passes a fixed object and check where you are at three seconds

Answer

Count the car lengths between the two vehicles

Answer

Watch your speedometer while braking

Answer

Divide your speed by ten

Question 12

In bad weather or at high speed, what should you do with your following interval?

Accepted Answer

Increase it to several times the normal gap

Answer

Keep exactly the same gap

Answer

Shorten it so you stay visible to the driver ahead

Answer

Add one car length

Question 13

True or False: The three-second rule describes the maximum following distance a driver should ever use.

Accepted Answer

False

Answer

True

Question 14

How close to an intersection does Idaho law prohibit passing?

Accepted Answer

Within 100 feet

Answer

Within 25 feet

Answer

Within 50 feet

Answer

Within 200 feet

Question 15

Passing another vehicle is prohibited within what distance of a railroad crossing?

Accepted Answer

100 feet

Answer

300 feet

Answer

150 feet

Answer

500 feet

Question 16

Which statement describes Idaho's passing restriction near bridges and tunnels?

Accepted Answer

Passing is banned within 100 feet of a bridge or tunnel where the view is obstructed

Answer

Passing is banned only on one-lane bridges

Answer

Passing is banned within 25 feet of any bridge

Answer

Passing is banned within a half mile of any tunnel

Question 17

Two solid yellow lines down the center of the roadway mean:

Accepted Answer

passing is prohibited in both directions

Answer

passing is allowed from either direction

Answer

only the left-hand lane may pass

Answer

passing is allowed when travelling uphill

Question 18

May an Idaho driver complete a pass by leaving the paved roadway?

Accepted Answer

No, passing off the pavement or roadway is never allowed

Answer

Yes, if the shoulder is wide enough

Answer

Yes, at speeds under 25 mph

Answer

Yes, if the other driver signals you around

Question 19

The car ahead of you has stopped at a crosswalk to let a pedestrian cross. What may you do?

Accepted Answer

Nothing — you may not pass that vehicle

Answer

Pass on the left if that lane is clear

Answer

Sound your horn and edge past slowly

Answer

Pass on the right at a reduced speed

Question 20

On a two-lane road, passing is prohibited:

Accepted Answer

on hills, curves, or wherever the view ahead is obstructed

Answer

only after dark

Answer

only where a solid white line is painted

Answer

only when the vehicle ahead is a truck

Question 21

What does this sign tell you?

Accepted Answer

Passing is not permitted at this location

Answer

Only trucks are barred from passing

Answer

Slower traffic must keep right

Answer

Two-way traffic begins ahead

Question 22

In a business or residential area, how far in advance must a turn signal be given?

Accepted Answer

100 feet

Answer

300 feet

Answer

50 feet

Answer

200 feet

Question 23

On a freeway or highway, how far in advance must you signal a turn or lane change?

Accepted Answer

5 seconds

Answer

2 seconds

Answer

10 seconds

Answer

3 seconds

Question 24

Which hand-and-arm signal indicates a left turn?

Accepted Answer

Arm extended straight out to the side

Answer

Arm and hand extended upward

Answer

Arm extended downward

Answer

Arm waved back and forth

Question 25

Extending your arm and hand upward out the driver's window signals:

Accepted Answer

a right turn

Answer

a left turn

Answer

a stop

Answer

a lane change to the left

Idaho DMV Practice Test 2026 – Test #3

More Idaho (ID) practice tests

25 questions

25 questions

25 questions

25 questions

25 questions

Want study materials for other states?

How to prepare for my Idaho DMV Exam

Frequently asked questions

Explore more learning content

Driver’s License Practice Tests

Idaho DMV Exam Simulator

Road Signs Tests

CDL Practice Tests

Official Idaho DMV Manuals

Idaho DMV Guides

All U.S. Road Signs