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Idaho DMV Test Questions and Answers

These are the questions about Idaho's own rules: permit, license, fines, speed and parking. Signs and rules shared by all states are on separate pages.

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License rules

  1. In Idaho, after you move, you must report your new address to the licensing agency within:

    1. 15 days
    2. 20 days
    3. 30 days
    4. 60 days

    Answer: C. Idaho: report an address change within 30 days.

    Source: Idaho Driver's Manual (2026), Section 1You must notify ITD within 30 days when your address changes.

  2. How many questions are on the Idaho written permit test, and how many must you answer correctly?

    1. 35 questions, 28 correct
    2. 40 questions, 30 correct
    3. 40 questions, 32 correct
    4. 40 questions, 34 correct

    Answer: D. Idaho: 40 questions; you need 34 correct to pass.

    Source: https://itd.idaho.gov/wp-content/uploads/2026/04/driver_manual.pdf

  3. In Idaho, how many of the required supervised practice hours must be at night?

    1. 10 hours
    2. 20 hours
    3. 30 hours
    4. 40 hours

    Answer: A. Idaho: at least 10 hours of the practice must be at night.

    Source: Idaho Driver's Manual (2026), Section 1Accumulate at least 50 hours of supervised driving time, ten hours of which must be at night.

  4. In Idaho, a teen must hold a learner's permit for at least how long before taking the road test?

    1. 2 months
    2. 3 months
    3. 6 months
    4. 9 months

    Answer: C. Idaho: hold the permit at least 6 months before the road test.

    Source: Idaho Driver's Manual (2026), Section 1you will be required to complete a minimum 6-month, violation-free supervised instruction period.

  5. In Idaho, how many hours of supervised driving practice must a teen complete before the road test?

    1. 30 hours
    2. 40 hours
    3. 50 hours
    4. 60 hours

    Answer: C. Idaho: at least 50 hours of supervised driving are required.

    Source: Idaho Driver's Manual (2026), Section 1Accumulate at least 50 hours of supervised driving time, ten hours of which must be at night.

  6. In Idaho, during the first six months with a restricted license, how many passengers under 17 may ride with you?

    1. None
    2. No more than one
    3. Two
    4. Three

    Answer: B. First six months: no more than one passenger under 17 (with listed exceptions).

    Source: Idaho Driver's Manual (2026), Section 1the number of passengers in the vehicle who are under the age of 17 shall be limited to not more than one passenger.

  7. For Idaho's restricted (daylight-only) driving, "daylight" is defined as:

    1. Sunrise to sunset
    2. 6 a.m. to 9 p.m.
    3. 5 a.m. to 10 p.m.
    4. 7 a.m. to 7 p.m.

    Answer: C. Daylight means 5:00 a.m. to 10:00 p.m. local time.

    Source: Idaho Driver's Manual (2026), Section 1Daylight is defined as 5:00a to 10:00p local time.

  8. In Idaho, the knowledge test has 40 questions. How many can you miss and still pass?

    1. 2
    2. 10
    3. 4
    4. 6

    Answer: D. 40 questions; you can miss up to six.

    Source: Idaho Driver's Manual (2026), Section 1The knowledge test consists of 40 questions; you can miss up to six (6) questions before failing the test.

  9. In Idaho, a renewed driver license is valid for:

    1. 2 years only
    2. Four or eight years (or to the end of lawful stay)
    3. 12 years
    4. Life

    Answer: B. Renewals are valid for four or eight years, or to the end of your lawful stay.

    Source: Idaho Driver's Manual (2026), Section 1A renewal is valid for either four years or eight years, or to the end of your lawful stay in the United States.

  10. In Idaho, if you fail the knowledge test, you must wait how long before retesting?

    1. 3 days
    2. 1 day
    3. 30 days
    4. 6 months

    Answer: A. Wait three days to retest (the same for the skills test).

    Source: Idaho Driver's Manual (2026), Knowledge Test: Class DIF YOU FAIL A KNOWLEDGE TEST, YOU MUST WAIT THREE (3) DAYS TO RETEST.

  11. In Idaho, how many errors are allowed to pass the Class D skills (driving) test?

    1. None
    2. Three or fewer
    3. Twelve or fewer
    4. Twenty or fewer

    Answer: C. Twelve or fewer errors is a passing score; a critical driving error fails the test.

    Source: Idaho Driver's Manual (2026), Skills Test: Class DTwelve or fewer errors is a passing score.

  12. In Idaho, driver training (required under 17) includes how many hours of classroom instruction?

    1. 30
    2. 6
    3. 10
    4. 50

    Answer: A. 30 hours of classroom instruction and 6 hours of in-car experience.

    Source: Idaho Driver's Manual (2026), Driver Training

Parking

  1. In Idaho, you may not park within how many feet of a crosswalk at an intersection?

    1. 15 feet
    2. 20 feet
    3. 25 feet
    4. 30 feet

    Answer: B. Idaho: do not park within 20 feet of a crosswalk at an intersection.

    Source: Idaho Driver's Manual (2026), ParkingWithin 20 feet of a crosswalk

  2. In Idaho, you may not park within how many feet of a fire station driveway (on the same side of the street)?

    1. 15 feet
    2. 20 feet
    3. 25 feet
    4. 30 feet

    Answer: B. Idaho: do not park within 20 feet of a fire station driveway on the same side of the street.

    Source: Idaho Driver's Manual (2026), ParkingWithin 20 feet of a fire station driveway

  3. In Idaho, you may not park within how many feet of a fire hydrant?

    1. 10 feet
    2. 15 feet
    3. 20 feet
    4. 25 feet

    Answer: B. Idaho: do not park within 15 feet of a fire hydrant.

    Source: Idaho Driver's Manual (2026), ParkingWithin 15 feet of a fire hydrant

  4. In Idaho, you may not park within how many feet of a railroad crossing?

    1. 40 feet
    2. 50 feet
    3. 75 feet
    4. 100 feet

    Answer: B. Idaho: do not park within 50 feet of a railroad crossing.

    Source: Idaho Driver's Manual (2026), ParkingWithin 50 feet of railroad tracks

  5. In Idaho, you may not park within how many feet of a STOP sign?

    1. 20 feet
    2. 25 feet
    3. 30 feet
    4. 40 feet

    Answer: C. Idaho: do not park within 30 feet of a STOP sign.

    Source: Idaho Driver's Manual (2026), ParkingWithin 30 feet of a stop sign, yield sign, or traffic signal

Rules of the road

  1. In Idaho, children of what age or younger must ride in a child safety seat (car seat)?

    1. 6 years old
    2. 7 years old
    3. 8 years old
    4. 9 years old

    Answer: A. Idaho: children 6 years of age or younger must ride in a child safety seat.

    Source: Idaho Driver's Manual (2026), Section 5Idaho law requires anyone carrying children 6 years of age or younger.

  2. In Idaho, the recommended minimum following distance in good conditions is at least:

    1. 2 seconds
    2. 3 seconds
    3. 5 seconds
    4. 6 seconds

    Answer: B. Idaho: keep at least 3 seconds behind the vehicle ahead; add more in bad weather.

    Source: Idaho Driver's Manual (2026), Following DistancesThe three-second following distance rule is the minimum recommended safest procedure to use.

  3. In Idaho, you must use low beams when you are following another vehicle within:

    1. 100 feet
    2. 150 feet
    3. 200 feet
    4. 300 feet

    Answer: C. Idaho: use low beams within 200 feet of a vehicle you are following.

    Source: Idaho Driver's Manual (2026), Section 3Headlamps must be dimmed 500 feet before meeting and 200 feet before overtaking another vehicle.

  4. In Idaho, you must dim your high beams when an oncoming vehicle is within:

    1. 300 feet
    2. 350 feet
    3. 500 feet
    4. 1,000 feet

    Answer: C. Idaho: switch to low beams within 500 feet of an oncoming vehicle.

    Source: Idaho Driver's Manual (2026), Section 3Headlamps must be dimmed 500 feet before meeting and 200 feet before overtaking another vehicle.

  5. In Idaho, you may not pass another vehicle within how many feet of an intersection, bridge, tunnel or railroad crossing?

    1. 75 feet
    2. 100 feet
    3. 150 feet
    4. 200 feet

    Answer: B. Idaho: do not pass within 100 feet of an intersection, bridge, tunnel or railroad crossing.

    Source: Idaho Driver's Manual (2026), PassingWithin 100 feet of an intersection, unless otherwise indicated by traffic-control devices

  6. In Idaho, when you must stop at a railroad crossing, stop no closer to the nearest rail than:

    1. 10 feet
    2. 15 feet
    3. 20 feet
    4. 25 feet

    Answer: B. Idaho: stop at least 15 feet from the nearest rail.

    Source: Idaho Driver's Manual (2026), Section 4When required to stop, you should do so within 50 feet but no less than 15 feet from the nearest rail of the crossing.

  7. In Idaho, a school bus is stopped with red lights flashing on the other side of a divided highway with a median. You:

    1. Must stop
    2. Do not have to stop, but should watch for children
    3. Must stop only if children are crossing
    4. Must sound your horn and pass

    Answer: B. Idaho: drivers on the opposite side of a divided highway separated by a median do not have to stop; drivers behind the bus must stop.

    Source: Idaho Driver's Manual (2026), Section 4You do not have to stop if you are traveling in the opposite direction on highways with four or more lanes.

  8. In Idaho, you must signal continuously for at least how far before you turn?

    1. 75 feet
    2. 100 feet
    3. 150 feet
    4. 200 feet

    Answer: B. Idaho: signal at least 100 feet before you turn (on freeways, signal at least five seconds before a lane change or exit).

    Source: Idaho Driver's Manual (2026), Turns

  9. In Idaho, a U-turn is not allowed if you cannot see approaching traffic for at least:

    1. 350 feet
    2. 500 feet
    3. 1,000 feet
    4. 1,500 feet

    Answer: B. Idaho: do not make a U-turn unless you can see approaching traffic 500 feet away.

    Source: Idaho Driver's Manual (2026), Turns

  10. In Idaho, high beams must let you see people and vehicles at least how far away?

    1. 350 feet
    2. 100 feet
    3. 50 feet
    4. 1,000 feet

    Answer: A. High beams: at least 350 feet; low beams must light the road at least 100 feet ahead.

    Source: Idaho Driver's Manual (2026), Section 3High beams must allow the driver to see people and vehicles at least 350 feet away.

  11. In Idaho, foot brakes must stop a vehicle traveling 20 mph on dry pavement within:

    1. 10 feet
    2. 25 feet
    3. 55 feet
    4. 100 feet

    Answer: B. Foot brakes: within 25 feet from 20 mph; the parking brake: within 55 feet.

    Source: Idaho Driver's Manual (2026), Required EquipmentFoot brakes must stop a vehicle that is traveling 20 miles per hour on dry pavement within a distance of 25 feet.

  12. In Idaho, a vehicle's horn must be heard at least how far away?

    1. 20 feet
    2. 50 feet
    3. 500 feet
    4. 200 feet

    Answer: D. The horn must be audible from at least 200 feet.

    Source: Idaho Driver's Manual (2026), Required EquipmentAll motor vehicles must have a horn that can be heard at least 200 feet away.

  13. In Idaho, low beams must light the roadway at least how far ahead?

    1. 100 feet
    2. 25 feet
    3. 350 feet
    4. 1,000 feet

    Answer: A. Low beams: at least 100 feet ahead; high beams: people and vehicles at least 350 feet away.

    Source: Idaho Driver's Manual (2026), Required EquipmentLow beams must light the roadway at least 100 feet ahead.

  14. In Idaho, when a load extends four feet or more beyond the rear of a vehicle, in daytime you must attach:

    1. A white light
    2. Nothing
    3. A red flag at least 18 inches square
    4. A yellow sign

    Answer: C. A red flag at least 18 inches square; at night, a red light visible for 500 feet.

    Source: Idaho Driver's Manual (2026), Other Laws You Need to Know

  15. According to the Idaho manual, a 150-car freight train traveling 50 mph needs about how far to stop?

    1. 700 feet
    2. 7,000 feet (about 1⅓ miles)
    3. 500 feet
    4. 100 feet

    Answer: B. About 7,000 feet — trains cannot stop quickly.

    Source: Idaho Driver's Manual (2026), Railroad CrossingsThe stopping distance for a 150-car freight train traveling 50 miles per hour is 7,000 feet or 1 and 1/3 miles.

  16. In Idaho, on roads posted 55 mph or more, while passing another vehicle you may exceed the limit by up to:

    1. 15 mph
    2. 5 mph
    3. 25 mph
    4. Never

    Answer: A. Up to 15 mph while passing, only where the limit is 55 mph or more; finish 200 feet before oncoming traffic.

    Source: Idaho Driver's Manual (2026), Passing

  17. In Idaho, slow-moving vehicles designed to travel no faster than what speed may use public highways (in daylight)?

    1. 10 mph
    2. 25 mph
    3. 45 mph
    4. 55 mph

    Answer: B. Vehicles built to go no faster than 25 mph may travel in daylight; pull over if delaying three or more vehicles.

    Source: Idaho Driver's Manual (2026), Slow-Moving Vehicle

  18. In Idaho, before changing lanes or exiting a freeway, signal for at least:

    1. 1 second
    2. 2 seconds
    3. 5 seconds
    4. 15 seconds

    Answer: C. Signal at least five seconds before a lane change or freeway exit.

    Source: Idaho Driver's Manual (2026), Freeway DrivingAlways signal for at least five seconds before making a lane change or exiting a freeway.

  19. In Idaho, studded snow tires may be used only from:

    1. November 15 to March 31
    2. All year
    3. December 1 to February 28
    4. October 1 to April 30

    Answer: D. Studded tires: October 1 to April 30 only.

    Source: Idaho Driver's Manual (2026), Equipment Not AllowedStudded snow tires may be used only from October 1 to April 30.

  20. The Idaho manual says children younger than what age should ride in the back seat?

    1. 8
    2. 13
    3. 16
    4. 5

    Answer: B. All children younger than 13 should ride in the back seat.

    Source: Idaho Driver's Manual (2026), Child Restraints Are RequiredAll children younger than 13 years should ride in the back seat.

Speed

  1. In Idaho, unless otherwise posted, the speed limit in a business district is:

    1. 25 mph
    2. 30 mph
    3. 35 mph
    4. 40 mph

    Answer: C. Idaho: 35 mph in business districts unless posted otherwise.

    Source: Idaho Driver's Manual (2026), Section 4Maximum speed in any residential, business, or urban district is 35 miles per hour unless otherwise posted.

  2. In Idaho, unless otherwise posted, the speed limit on interstate highways is:

    1. 65 mph
    2. 70 mph
    3. 75 mph
    4. 85 mph

    Answer: C. Idaho: 75 mph on interstates unless otherwise posted (80 mph may be allowed where posted).

    Source: Idaho Driver's Manual (2026), Section 475 miles per hour on interstates unless otherwise posted. (80 may be allowed where posted).

  3. In Idaho, unless otherwise posted, the speed limit in a residential district is:

    1. 30 mph
    2. 35 mph
    3. 40 mph
    4. 45 mph

    Answer: B. Idaho: 35 mph in residential districts unless a sign shows otherwise.

    Source: Idaho Driver's Manual (2026), Section 4Maximum speed in any residential, business, or urban district is 35 miles per hour unless otherwise posted.

  4. In Idaho, unless posted otherwise, vehicles may not exceed what speed on state highways?

    1. 55 mph
    2. 75 mph
    3. 80 mph
    4. 65 mph

    Answer: D. State highways: 65 mph (70 where posted); interstates: 75 (up to 80 on posted rural interstates).

    Source: Idaho Driver's Manual (2026), Speed LimitsVehicles shall not exceed 65 miles per hour on state highways (70 may be allowed where posted).

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