Idaho Written Drivers Test Simulator

4.6 out of 5 (385 votes)
80% Passing score
40 Questions
8 Mistakes allowed
A strong Idaho DMV practice test should feel connected to the whole licensing process, not just the 40 questions on the screen. The written test is one step, but it sits in the middle of a larger routine: studying the Idaho Driver’s Handbook, proving you understand the rules, meeting the vision standard, bringing the right documents, and, depending on your age, completing the required training before you can move on. That is why this Idaho drivers license practice test is built around the same material Idaho uses for the real Class D knowledge test, with enough repetition and variety to make the rules stick without turning the whole thing into a stale memorization drill. Each session gives you 40 randomly selected questions, matching the real Idaho DMV written test. To pass, you need 34 correct answers, which means only 6 misses are allowed. That number is worth knowing before you walk into a county driver’s license office, because a failed knowledge test means waiting 3 days and paying the test fee again. Not a disaster, no, but it is the kind of small delay that gets old quickly, especially when better practice could have caught the problem earlier. The questions cover the handbook material that actually shows up: traffic signs, signals, pavement markings, safe driving practices, impaired driving, sharing the road, right-of-way rules, and driver responsibility. Road signs are worked into the regular Class D knowledge test, so this Idaho practice drivers test also gives attention to warning signs, regulatory signs, school zones, work zones, railroad crossings, sign shapes, and sign colors. Those details can seem obvious when you are reading, then become less obvious when the answer choices are sitting a little too close together. The feedback after each question is there for a reason. It helps you see whether you missed a rule, rushed the wording, or half-remembered something from the manual. That matters for every applicant, but especially for younger drivers moving through Idaho’s Graduated Driver Licensing process. Applicants under 17 need approved driver training, a supervised instruction period, and 50 hours of supervised driving, including 10 at night, before licensing. Adults have fewer requirements, thankfully, but they still need the proper identity and residency documents, vision screening, written and road testing, and fees. Use this practice test with the Idaho Driver’s Handbook and come back to it more than once. The goal is not just passing the written test. It is knowing the rules well enough that the next licensing step feels a little less like guesswork.
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Sample Idaho Permit Test Questions

Question 1

Which condition must you verify before moving into another traffic lane?

Before changing lanes in traffic, you need to:
  1. A. That the rearview mirror alone shows no traffic
  2. B. That an arm signal has given you priority
  3. C. That the lane and your blind spot are clear
  4. D. That activating your signal has given you the right-of-way

Correct answer: C. – That the lane and your blind spot are clear

Before changing lanes, check your mirrors, signal, and glance over your shoulder in the direction you intend to move. The shoulder check covers blind spots that mirrors may not show. Move gradually only after verifying that the lane change can be completed safely.

Source: Idaho Driver’s Handbook — “Starting Out”, Idaho Driver’s Handbook — “Defensive Driving,” “Blind Spots”

Question 2

A steady yellow traffic signal warns that which indication will appear next?

  1. A. A flashing yellow indication
  2. B. A steady green indication
  3. C. A steady red indication
  4. D. A flashing red indication

Correct answer: C. – A steady red indication

Under Idaho’s signal rules, a steady yellow indication warns that a red indication will follow. If you have not entered the intersection and can stop safely, stop before entering. If you are already in the intersection, continue and clear it safely.

Source: Idaho Code § 49-802(2) – Traffic-Control Signal Legend, Idaho Driver’s Handbook — “Traffic Signals,” “Yellow Light”

Question 3

Which U-turn meets Idaho requirements?

  1. A. Crossing solid double-yellow center markings
  2. B. Turning near a hill when visible for only 150 feet
  3. C. Turning on a straight road where no sign or marking prohibits it, the vehicle is visible for at least 500 feet in both directions, and traffic will not be disrupted
  4. D. Turning within a designated no-passing zone

Correct answer: C. – Turning on a straight road where no sign or marking prohibits it, the vehicle is visible for at least 500 feet in both directions, and traffic will not be disrupted

A U-turn may be made only when it is safe and will not interfere with traffic. Idaho prohibits turning around in a no-passing zone or near a curve or hillcrest when the vehicle cannot be seen from both directions within 500 feet. Signs and solid center pavement markings may also prohibit the maneuver.

Source: Idaho Code § 49-645(1), (2) – Limitations on Turning Around, Idaho Driver’s Handbook — Traffic Laws & the Rules of the Road, “U-Turns”

Question 4

Which check is necessary before moving into another lane?

  1. A. Look only over your right shoulder
  2. B. Use only the inside rearview mirror
  3. C. Check the mirrors, then glance over your shoulder toward the lane you plan to enter
  4. D. Look only over your left shoulder

Correct answer: C. – Check the mirrors, then glance over your shoulder toward the lane you plan to enter

A driver must determine that a lane change can be made safely. Mirrors help identify surrounding traffic, but they do not display vehicles hidden in blind spots. Before moving sideways, quickly look over your shoulder in the direction of the intended lane change, then move gradually when the lane is clear.

Source: Idaho Code § 49-637(1) – Driving on Highways Laned for Traffic, Idaho Driver’s Handbook — The Driving Task, “Blind Spots”

Question 5

How should you respond to a tire blowout?

  1. A. Grip the steering wheel firmly and keep the vehicle moving straight
  2. B. Ease off the accelerator and avoid braking until the vehicle is under control
  3. C. After regaining control, brake gently and pull off at the nearest safe location
  4. D. All of the above

Correct answer: D. – All of the above

A blowout may cause the vehicle to pull suddenly, making firm steering control essential. Ease off the accelerator, but do not brake until the vehicle is under control. Once it is stable, brake gently and leave the roadway at the nearest safe location.

Source: Idaho Driver’s Handbook — Be Prepared, “Tire Blowouts”

Question 6

What is the correct emergency-braking technique?

What should you do if you have to stop your vehicle in an emergency?
  1. A. With ABS, press the brake firmly and continuously; without ABS, brake hard without locking the wheels and release and reapply if they lock
  2. B. Pump an ABS-equipped brake pedal rapidly
  3. C. Immediately pull the parking brake as hard as possible
  4. D. Turn sharply while pressing the brake pedal

Correct answer: A. – With ABS, press the brake firmly and continuously; without ABS, brake hard without locking the wheels and release and reapply if they lock

For an emergency stop with ABS, apply firm, continuous pressure and do not pump the pedal. Without ABS, press as hard as possible without locking the wheels. If the vehicle begins to skid, release the pedal briefly and reapply it when the skid stops, repeating as necessary.

Source: Idaho Driver’s Handbook — “Stopping Quickly”

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