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Idaho Driver’s Knowledge Tests & License Practice Tests

This Practice Test
  Number of questions on each practice test: 25
  Question pool: 1,000+
  This is a randomized practice test



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#1. Until activated by a pedestrian, a HAWK signal light will:

The signal light is unlit until the pedestrian pushes the crosswalk button, then it turns to a flashing yellow light that warns drivers approaching the crosswalk to slow down.


#2. You are in an intersection and see an emergency vehicle with flashing lights behind you. What should you do?

When being approached by an emergency or police vehicle sounding a siren or flashing red or blue lights, you must immediately pull to the nearest curb or the edge of the roadway where it is legal to park and stop. Remain stopped until the emergency vehicle has passed ahead of you.

Remember, you must stop clear of any intersection, including a roundabout. Idaho Statutes 49-625.


#3. When passing and overtaking horses or horse-drawn vehicles:

When approaching someone riding a horse, take care to avoid frightening the animal. Slow down and allow plenty of room when passing. Never sound your horn because you may frighten the horse and cause an accident.

If you encounter a rider that is having difficulty controlling an animal, be sure to use extreme caution when going around them. Stop if necessary to prevent becoming a part of the hazard.

People riding horses are allowed to use most public roads. They also have the same rights as motor vehicle operators and must obey the same rules.


#4. Which of the following is a likely effect of drinking alcohol?

Alcohol dulls the parts of your brain that control inhibition, judgment, and self-control. After two to four drinks, alcohol begins to impair your reaction time, coordination, and balance. Your vision and ability to judge distance suffers too, making it harder to react to dangers ahead. By making you feel good, alcohol may also give you false confidence. In heavy doses, alcohol can be a mood changer producing sudden shifts in mood all the way from elation to anger.


#5. What does this sign mean?

School Zone.

You are nearing a school area with a crossing. Watch for children and the marked school crossing.


#6. From which lane should you turn when making a left turn from a one-way street?

Give your signal and approach the intersection in the lane closest to the left that is open to traffic going your direction. If you are on a two-lane road, you should move to the left side of your lane. Yield the right of way to pedestrians and oncoming vehicles. When safe, turn into the nearest lane in which traffic moves the direction you want to go.

Do not cut the corner


#7. Unless posted otherwise, what is the maximum speed limit on urban interstates in Idaho?

Where designated as permissible by federal law and as weather conditions permit, vehicles may travel at speeds up to 75 mph on rural interstates (65 mph for heavy trucks), and up to 65 mph on urban interstate highways, unless otherwise posted.


#8. Which is the best thing to do if there is a heavy fog?

It is safest not to drive in fog, dust storms, or in heavy rain. If you must drive during these conditions, reduce your speed.


#9. In this picture, car A may pass the vehicle ahead:

A dashed yellow line means that vehicles can cross the line if it is safe to do so.


#10. A warning sign with arrows in a circle pattern is placed ahead of:

The most common sign seen when approaching a roundabout is a warning sign with an arrow in a circle pattern. When an advisory speed panel is posted below the sign, slow down to the recommended speed.


#11. What does this sign mean?

All lanes will shift according to the sign. Stay in your lane as it shifts slightly to the left.


#12. Who has the right-of-way in Idaho?

The answer is no one! Idaho law defines when a vehicle or pedestrian must yield the right-of-way, letting another vehicle or pedestrian pass through an intersection first. Always remember that right-of-way is something to be given, not taken.


#13. If you have a tire blowout while driving, you should:

Blowouts are usually unexpected, and the driver’s natural response is to hit the brakes hard. Instead of stomping on the brakes:

  • Hold the steering wheel tightly and keep the car headed straight down the road.
  • Ease your foot off the gas pedal, but do not apply the brakes until you have complete control.
  • When the car is under control, brake gently and pull off the road at the nearest safe location.

#14. You approach a railroad crossing. There is heavy traffic ahead. You must stop before the crossing when:

Never start across tracks unless there is room on the other side for your vehicle.

Stop if you cannot cross and completely clear the tracks. Never stop on the tracks.


#15. A right turn against a solid red light:

A steady red circular indication means stop. Come to a complete stop before you reach the stop line, crosswalk, or intersection. Remain stopped until the light changes and cross traffic clears the intersection.

You may turn right after stopping and yielding to cross traffic except where posted otherwise. You may turn left into a one-way street after stopping and yielding to cross traffic unless posted as no-left turns allowed.


#16. Trucks and buses have:

Large vehicles have serious blind spots or no-zones into which a car can disappear from view. These zones exist up to 20 feet in front of the cab, on either side of, particularly alongside the cab, and up to 200 feet in the rear.


#17. After passing a car and before returning to your lane, you should:

Make sure there is enough distance between you and the other vehicle before moving back into the right lane. Wait until you have passed the vehicle and can see it in your rearview mirror before turning on your right turn signal and moving back into the right lane.


#18. When you drive a vehicle with air bags, this hand position on the steering wheel is:

Be prepared to react promptly to emergencies by driving with both hands placed on opposite sides of the steering wheel at approximately the nine o’clock and three o’clock positions.

Check your owner’s manual for proper hand placement if your vehicle is equipped with air bags. Eight o’clock and four o’clock positions are common recommendations.


#19. When you park on a hill headed uphill and there is no curb, you should turn your front wheels:

To keep your vehicle from rolling into traffic when parked on a hill, turn your front wheels sharply toward and against the curb or edge of the road if you are facing downhill, or if you are facing uphill, turn your wheels sharply away and against the curb (if there is no curb, turn the wheels sharply toward the edge of the road).

Study the illustrations in the driver’s manual.


#20. What is the background color of a warning sign like this?

Most warning signs are black on yellow and most are diamond shaped. They warn you to slow down and be prepared to stop if necessary. A special situation or hazard is ahead.


#21. During summer, the temperature inside a parked vehicle:

When it is hot outside, do not leave children or pets in a vehicle unattended.

On hot summer days, the inside of a car can become dangerously hot in a short period of time. One study found that with the windows up and the temperature outside at 94 degrees, the inside of a car can heat to 120 degrees in just 30 minutes, and up to 132 degrees after one hour.


#22. To avoid last minute moves, you should:

To be a defensive driver, you have to see what is going on. Avoid a fixed, straight-ahead stare that may let you drift off in daydreams. Keep your eyes moving and learn to read the road. Look ahead, to the sides, and behind.


#23. If you are convicted of driving under the influence and you have a blood alcohol concentration (BAC) at or above the legal limit:

For a first conviction, criminal penalties are:

  • Up to six months in jail.
  • Up to a $1,000 fine
  • Mandatory driver’s license suspension of at least 90 days and up to 180 days (one year if you are under 21), with absolutely no driving privileges for the first 30 days.

Administrative License Suspension: If you are arrested for operating a motor vehicle while under the influence of alcohol or other intoxicating substances and you fail an evidentiary test by having an alcohol concentration over the legal limit, a peace officer will serve you with a Notice of Suspension. This administrative license suspension is a civil penalty and is separate and apart from any criminal penalties imposed by the court system.


#24. How are Anti-Lock Brakes (ABS) activated?

Be sure to read the vehicle owner’s manual on how to use the anti-lock braking system (ABS). Anti-lock brakes allow you to retain full steering control during hard braking and on slippery surfaces.

During an emergency stop that requires hard braking, apply continuous pressure on the brake pedal. Do not pump the brake pedal as this will defeat the system’s design, reduce the effectiveness of the ABS, and increase the distance required to stop the vehicle.

Do not be concerned by the noise and pulsation, because this is normal for ABS.


#25. What does this sign mean?

This is a regulatory No Right Turn sign. It means that you are not allowed to turn right at the intersection.

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Facts about Your Idaho Driver’s Knowledge Tests

DMV Knowledge Test for Learner’s Permit and Driver’s License
  Number of questions on exam: 40 questions
  Passing score: 85 percent
  Correct answers to pass: 34
  Allotted time to complete test: 25 minutes
  Wait time before retest: 3 days (Fee is required for each new test)

This Idaho Practice Test

This practice test is designed to help you study for and pass the knowledge examination for a Class D (Non-Commercial) license or instruction permit in Idaho.

It has 25 questions drawn from a large bank of DMV questions and answers. Each one is specific for the traffic laws in the state of Idaho. It is, however, shorter than the real knowledge test. It is recommended that you take at least a handful of tests to cover all items in the driver’s manual.

After each question, you will be shown the correct answer. In case your answer is incorrect, there is also a brief explanation to the correct answer. Use the explanation to look up more information in the Idaho Driver’s Manual.

Remember, the purpose of the real examination and this Idaho practice test is to check your knowledge of Idaho traffic laws, highway signs by shape and symbol, traffic signals, pavement markings, and equipment required on motor vehicles.

It is not designed to be a cheat sheet and it may not be inclusive of all questions asked on the official knowledge test. Be sure to always study the Idaho Driver’s Manual before taking the official test.

The practice test, however, help you prepare as much as possible and predict how likely you are to pass the real knowledge examination.

Idaho Driver's Handbook

1   Get the Driver’s Manual

Your first step is to get the latest version of the Driver’s Handbook from You should use the practice tests to verify your progress only after studying the manual. Do not use the practice test as a replacement for the manual.

You can find all questions and answers you need to pass the written test for a class D license or instruction permit in the Driver’s Manual. It remains your best friend when studying for your first instruction permit.

We help you pass your Idaho Knowledge Test

Aim for a High Score on Each Practice Test

The number of questions on the real test in Idaho is 40 and the passing score is 85%, which is higher than in many other states. Only Maryland and Virginia have higher passing scores

You must correctly answer 34 out of the 40 questions, which means you can only miss 6 of them. In combination with a poor designed test and a high passing score, Idaho knowledge test can be one of the hardest to pass, especially if you haven’t completed a classroom course.

This is why you should aim for the highest possible score on the practice tests. Take as many tests as you need, as often as you like.

On each test, you should make sure you truly understand why an answer is correct and why other options are incorrect.

Learn more about Risky Study Tactics .


Known Issues with the Idaho Knowledge Test

Idaho DMV tend to use four choices to each test questions. It is usually difficult to develop more than three plausible alternatives on a DMV test, which means that the fourth choice can be nonsense. This makes the test longer without making it better. On a lengthy test, it can be easy to skip reading all of the choices carefully enough.

Idaho DMV also has a disclaimer at the beginning of the test saying that there may be more than one correct answer and that you must select the best answer.

This is due to the fact that they still use “All of the above” as one alternative. In this type of question, all of the alternatives can be correct.

A nervous test taker may identify the first alternative as correct and read no further.

The same hold true for “Both of the above”.

Remember to always read through all choices. Often, all of the choices are actually correct – but not always!

You may also see “None of the above” as the last choice. This is also considered a bad testing design since it doesn’t check if you know what the correct answer is.

Even if it is less common, you may see a negative question that contains the word not or never. With such a question you must look for an incorrect statement. It is easy to forget this and pick the correct statement instead.

You can overcome these flaws by not rushing through the test, being alert, and make sure you read everything.

More about the Idaho Knowledge Test

The test is available in English, Arabic, Chinese, Farsi, French, Korean, Russian, Serbo-Croatian, Spanish, Vietnamese and ASL (American Sign Language).

It is a closed-book test, which means that you cannot use any kind aids (written, audio, or electronic) while taking the exam.

If you fail the knowledge examination, you must wait at least three days before you can take it again. A new fee is required each time you attempt the test.

Who Must Take the Idaho Knowledge Test?

All new drivers applying for an original driver’s license must pass the knowledge exam.

If you are under 17 years, you must successfully complete a driver training program and comply with the requirements of the Graduated Driver Licensing (GDL) Program. After the supervised instruction period, you must take and pass the written knowledge test before receiving your driver’s license.

If you are 17 years or older, the GDL requirements don’t apply. You start the application process by taking the written knowledge test and a vision screening at a county sheriff’s office.

When transferring from another state, U.S. Territory, or the District of Columbia, you must pass a Class D written knowledge test, even if you have been licensed in Idaho before. Unlike many other states, the written DMV test is not waived for drivers who hold an out-of-state driver’s license.

You must also pass all tests if you hold a foreign driver’s license.

If you let your Idaho Driver’s license expire for 25 months or more, you must also take the knowledge test again.

Idaho Graduated Driver’s License (GDL) program

Anyone under 17 years who applies for their first driver’s license in Idaho must successfully complete an approved driver’s training program and comply with the requirements of the GDL Program.

Unlike other states, Idaho does not require you to pass the written test before issuing a permit under this program (the test comes later).

The first permits are known as the Driver Training (DT) permit and the Supervised Instruction Permit (SIP). They allow anyone at least 14 1/2 years and under 17 years of age to attend any public school or private driver’s training program. You must have your DT permit before taking any DT class.

The training program consists of a required 1,800 minutes (30 hours) of classroom instruction, 360 minutes (6 hours) of in-car observation in a DT car, and 360 minutes (6 hours) of behind the wheel driving with a DT instructor.

While you are enrolled in a training class, the DT permit allows you to drive only while supervised by a training instructor. When you have successfully completed the program, the instructor will release the permit and it know becomes a Supervised Instruction Permit.

In this next phase, you can practice your driving skills when accompanied by any licensed driver who is at least 21 years and who is occupying the front seat beside you (no other passengers are allowed in the front seat).

While You Hold an Idaho Supervised Instruction Permit

You cannot drive alone. You must always be supervised by an adult at least 21 years with a valid driver’s license.

All passengers must wear seat belts or child restraints. Only the supervising driver can sit beside you in the front seat.

You must observe all laws regarding alcohol and other intoxicating substances.

You must complete a minimum 6-month, violation-free supervised instruction period and log at least 50 hours of driving practice. 10 of these 50 hours must be at night.

If you are convicted of violating any traffic laws while you practice driving under this program, the SIP will be canceled. After a cancellation, you must reapply for a new SIP. The 6-month period of supervised driving starts over again.

Idaho Driver's License

Only after meeting all of these requirements under GDL will you be allowed to take the Idaho knowledge test.

If you pass the knowledge test, you can schedule your road skills test.

After passing all tests, DMV will issue an Idaho Driver’s License.

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