Idaho Permit Practice Test 6
25 questions written from the Idaho Driver's Handbook, with an explanation and page citation for every answer.
When does Idaho require headlights?
Keyboard: press 1–4 or A–D to answer, Enter for the next question, S to save, R to read aloud, P to pause reading, L to listen and answer.
About this test
These questions were written from the Idaho Driver's Handbook (July 2026). 15 of the 20 Idaho questions in this test cover rules that are specific to Idaho or differ between states. Every answer comes with an explanation and a link to the exact page it comes from, so you can check it yourself.
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Sample questions from this test
When does Idaho require headlights?
- A From one hour after sunset to one hour before sunrise
- B Only when it is fully dark outside
- C From sunset to sunrise and when you cannot see 500 feet ahead
- D From sunset to sunrise and when visibility is under 1,000 feet
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C. From sunset to sunrise and when you cannot see 500 feet ahead
Turn on your headlights from sunset to sunrise, and in daytime whenever visibility is reduced to 500 feet or less. Use headlights, not just parking lights.
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You are on a road with double solid yellow center lines. When may you cross them?
- A To turn left into or out of a driveway or business entrance
- B To pass a slow vehicle when no traffic is coming
- C Only to make a U-turn in a business district
- D Never, under any circumstances
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A. To turn left into or out of a driveway or business entrance
Double solid yellow lines mean no passing from either direction. You may cross them only to turn, such as turning left into or out of a driveway or business entrance, when it is safe.
Source: Idaho Driver's Handbook, page 58
Under Idaho law, which of these is illegal while you are driving?
- A Talking through a hands-free device without using either hand
- B Holding your phone in your hand to talk on a call
- C Listening to the radio at a low volume
- D Following directions read aloud by a passenger
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B. Holding your phone in your hand to talk on a call
Since 2020, Idaho Code 49-1401A bars every driver from using a handheld phone or other mobile device while driving, for calls as well as texts. Voice or hands-free use is allowed, with at most one touch to start or end a feature, and so is calling for an emergency.
Source: Idaho Transportation Department, Division of Motor Vehicles website
Under the Idaho point system, how many points in any 12 months lead to a 30-day suspension?
- A 8 to 11 points
- B 18 to 23 points
- C 12 to 17 points
- D 24 or more points
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C. 12 to 17 points
Idaho's point table is: 8 to 11 points in 12 months, warning letter; 12 to 17 in 12 months, 30-day suspension; 18 to 23 in 24 months, 90 days; 24 or more in 36 months, 6 months. Penalties climb as points pile up.
Unless otherwise posted, what is the maximum speed on an Idaho interstate?
- A 65 mph
- B 70 mph
- C 80 mph
- D 75 mph
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D. 75 mph
The Idaho interstate default is 75 mph unless otherwise posted, and 80 mph may be allowed where posted. State highways default to 65 mph, with 70 allowed where posted.
Source: Idaho Driver's Handbook, page 68