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Test 16 of 25 · 20 questions · Free 2026
ID Permit Practice Test 16
Jump to the test ↓A fixed 20 question set from the Idaho bank with answers and plain English explanations. The real ID exam is 40 questions, 85 percent to pass; take the full length version on the main practice page.
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All 20 questions in test 16
Every question below comes from the Idaho question bank on this page. Open a question to see the correct answer and the explanation. Nothing here is hidden behind a signup.
1. You pulled right and stopped for an approaching emergency vehicle. When may you move again?
- As soon as its siren becomes quieter
- Once you can no longer see its lights
- Immediately if your turn is very close
- After the emergency vehicle has passed ahead
Show answer
After the emergency vehicle has passed ahead. After pulling to the right edge and stopping for an emergency vehicle, remain stopped until it has passed ahead of you. Moving early can place your vehicle back into the path the responder still needs. Picking "As soon as its siren becomes quieter" would use fading sound as the release signal, yet the vehicle may still be approaching from behind you. Keep your foot on the brake, watch the emergency vehicle pass your window, then check traffic before pulling out.
Study this in the handbook: Emergency vehicles and the move over law
2. If your car breaks down on an Idaho highway, at what distance behind should you set emergency flares?
- 50 to 100 feet behind your vehicle
- 200 to 300 feet behind your vehicle
- 400 to 500 feet behind your vehicle
- 10 to 25 feet behind your vehicle
Show answer
200 to 300 feet behind your vehicle. When your car stalls or breaks down on a highway, oncoming motorists traveling at highway speeds require early warning to slow down and merge safely. Idaho safety rules recommend setting flares or emergency warning triangles 200 to 300 feet behind the stalled vehicle. Flares placed only 50 or 100 feet back do not give approaching drivers adequate reaction time, especially at highway speeds of 65 to 80 mph. Position your warning devices carefully along the shoulder while keeping yourself off the road.
Study this in the handbook: Skids, emergency braking and car trouble
3. In which listed case must a motor vehicle yield to a pedestrian?
- Entering a street from an alley or driveway
- Passing a parked car on a two lane street
- Driving past a pedestrian on a sidewalk
- Driving through a marked freeway interchange
Show answer
Entering a street from an alley or driveway. A vehicle entering a street from an alley or driveway must yield to pedestrians. The driver crosses sidewalks and walk paths where people on foot may not expect a vehicle to emerge between buildings or fences. Passing a parked car names ordinary passing, which involves vehicles in lanes rather than a pedestrian crossing your exit path. Creep out of any driveway with your foot over the brake and scan the sidewalk in both directions twice.
Study this in the handbook: Pedestrians, children, horses and bicyclists
4. A vehicle has no right side view mirror. How does that affect its blind spot?
- The right blind spot will be larger than the left
- The right blind spot will match the left exactly
- Both blind spots disappear at highway speed
- The left blind spot becomes the larger one
Show answer
The right blind spot will be larger than the left. Mirrors shrink the unseen areas beside the rear corners of a vehicle. Without a right side view mirror, the right blind spot grows larger than the one on the left, so a head turn matters even more on that side. Picking "The right blind spot will match the left exactly" would assume symmetry that the missing mirror destroys and hide a vehicle traveling beside your right rear corner. Before any rightward move in such a vehicle, turn your head farther and wait a beat longer for the view.
Study this in the handbook: Defensive driving, distractions and fatigue
5. What colors do regulatory signs generally use?
- Orange and black on most roads
- Blue and white for services nearby
- Black and white, some red and white
- Yellow and black in diamond shapes
Show answer
Black and white, some red and white. Regulatory signs state rules drivers must obey, and they are generally black and white, with some in red and white. Warning signs use yellow, and work zone warnings switch to orange instead. Picking "Orange and black on most roads" would describe work zone warning colors and miss the rule giving palette of regulatory signs. See black lettering on white and read the sign as a law, not a suggestion or warning.
Study this in the handbook: Regulatory and work zone signs
6. What happens to speeding fines in signed work zones?
- Fines stay the same as elsewhere
- Fines are increased there
- Tickets are replaced with warnings
- Fines apply only after a second offense
Show answer
Fines are increased there. Where signage indicates, speeding fines are increased in Idaho work zones. The higher penalty reflects workers standing feet from live traffic with no barrier between them and a speeding vehicle. Picking "Fines stay the same as elsewhere" would keep ordinary fines in place and ignore the signed increase Idaho posts at work zones. Read the fine notice on work zone signs as part of your speed decision, then slow early.
Study this in the handbook: Regulatory and work zone signs
7. While merging onto a freeway, who has the right of way?
- The driver entering from the ramp
- The largest vehicle in the merge area
- Whichever driver reaches the merge point first
- Traffic already traveling on the highway
Show answer
Traffic already traveling on the highway. Drivers already on the highway hold the right of way at a freeway entrance. The entering driver must time speed and gap choice so the merge happens without cutting off vehicles that are already established in their lanes. Picking "The driver entering from the ramp" would claim priority for the entering vehicle and force highway traffic to yield at the very point where speeds are highest. Before the lanes join, pick a gap behind a highway vehicle rather than beside its front bumper, then fit into that space.
8. Using arm signals, how do you indicate a right turn?
- Arm and hand extended straight out sideways
- Arm and hand extended downward out the window
- Arm and hand extended upward out the window
- Arm waved in a circle outside the window
Show answer
Arm and hand extended upward out the window. Idaho arm signals use three fixed positions from the driver window. An arm and hand extended upward signals a right turn, straight out means left, and downward means slow or stop, for when electric signals fail. Picking "Arm and hand extended straight out sideways" would point straight out, which every trained driver reads as a left turn rather than a right. Picture your raised arm bending like the turn itself, elbow down and hand up, before any right turn.
Study this in the handbook: Turns, signals and U turns
9. What may be placed on windows and windshields in Idaho?
- Only signs, posters, or stickers required by law may be placed there.
- A poster may cover less than half the glass.
- Any sticker may be placed on the passenger-side glass.
- A sign may be placed there if it does not touch the top edge.
Show answer
Only signs, posters, or stickers required by law may be placed there.. Idaho requires windows and windshields to remain clean of signs, posters, and stickers except those required by law. The handbook does not permit an ordinary poster because it covers less than half the glass. Passenger-side placement also does not make an unrequired sticker legal, and avoiding the top edge is not the stated test. The permitted category is narrow: an item must be required by law rather than merely small, well placed, or attached to one side of the vehicle. Keep unrequired material off the glass.
Study this in the handbook: Night, fog, rain and flash floods
10. Where may a driver not make a U-turn?
- A U-turn is prohibited on any curve or near a hill crest when approaching vehicles cannot see it within 500 feet.
- A U-turn is prohibited on a straight road when approaching traffic is visible.
- A U-turn is prohibited at an intersection with a clear view.
- A U-turn is prohibited on an open road when traffic can be seen more than 500 feet away.
Show answer
A U-turn is prohibited on any curve or near a hill crest when approaching vehicles cannot see it within 500 feet.. Idaho prohibits a U-turn on any curve and near a hill crest when approaching vehicles from either direction cannot see the vehicle within 500 feet. The handbook also lists a no-passing zone as a prohibited place. A visible straight road is not the listed curve, hill-crest, or no-passing restriction. An intersection with a clear view is not automatically banned, and seeing traffic more than 500 feet away describes greater visibility rather than the restricted view. The limited-visibility condition is the key part of the curve and hill-crest rule.
Study this in the handbook: Turns, signals and U turns
11. What can two feet of fast moving water do to a vehicle?
- Float the vehicle gently while it stays in its lane
- Only stall the engine without moving it
- Push it gently toward the road shoulder
- Wash it away and cause loss of control
Show answer
Wash it away and cause loss of control. Two feet of fast moving water reaches the bottom of most passenger cars, causing stalling and loss of control, and can wash the vehicle away entirely. Turning around for another route is the only safe response. Picking "Float the vehicle gently while it stays in its lane" would treat the current as harmless support while it can physically carry the car off the road. When water covers a roadway and its depth is unknown, turn around early where the pavement is still dry.
Study this in the handbook: Night, fog, rain and flash floods
12. What are escape or runaway ramps on long steep grades reserved for?
- Parking large vehicles during rest breaks
- Letting slow trucks turn around safely
- Stopping vehicles whose brakes have failed
- Staging snow removal equipment in winter
Show answer
Stopping vehicles whose brakes have failed. On long steep grades, large vehicles travel slowly in the right lane. Escape and runaway ramps sit beside those grades for one emergency: stopping a vehicle whose brakes have failed. Drivers must not park in or near the ramps, because a blocked ramp leaves a runaway truck nowhere to go. Picking "Parking large vehicles during rest breaks" would fill the emergency space with a resting truck. Treat a ramp mouth like a fire lane and keep it empty at all times.
Study this in the handbook: Right hooks, motorcycles and large vehicles
13. When lights are needed for driving, which lights must you use?
- Parking lights to save the battery charge
- Only the daytime running lamps fitted
- Headlamps, not parking lights
- Fog lamps alone on every dark roadway
Show answer
Headlamps, not parking lights. Headlamps and tail lamps must be lighted from sunset to sunrise and whenever poor visibility makes them necessary. When lights are needed for driving, Idaho requires headlamps, not parking lights, which only mark a parked car. Picking "Parking lights to save the battery charge" would use parking lights as travel lights and leave the road ahead unlit for the driver. At dusk, twist the control all the way to headlamps and confirm the tail lamps glow too.
Study this in the handbook: Night, fog, rain and flash floods
14. What must a rider under 21 complete before receiving an Idaho motorcycle endorsement?
- Only a vision screening at the license office
- Six months of supervised motorcycle riding
- A written test with no training course
- An approved motorcycle rider training course
Show answer
An approved motorcycle rider training course. Riders under 21 face an added training step before an Idaho motorcycle endorsement is issued. They must take the motorcycle knowledge test and also successfully complete an approved motorcycle rider training course. The course requirement exists because new young riders face high risk while basic control skills are still forming. Enroll in an approved course early, since class places can fill during the spring riding season.
15. Before backing a vehicle, what check comes before you get in?
- Check behind the vehicle first
- Check only the rearview mirror after starting
- Ask a passenger to watch after you move
- Rely on the backup camera screen alone
Show answer
Check behind the vehicle first. Backing starts before the driver sits down. Checking behind the vehicle before getting in reveals children or small objects that are hard to see from the driver seat, even with mirrors or a camera view. Picking "Check only the rearview mirror after starting" would wait until after starting the engine, when the lowest hazards behind the bumper stay hidden. Walk the rear path every time you back from a driveway where children or pets may wander.
Study this in the handbook: Following distance, parking and backing
16. Approaching a blind curve on a narrow mountain road, what should you do?
- Flash parking lights and hug the center line
- Sound the horn as you approach the curve
- Speed up to clear the curve area quickly
- Stay silent so you can hear oncoming traffic better
Show answer
Sound the horn as you approach the curve. On a narrow road where a curve blocks the view, sounding the horn warns oncoming drivers of your approach. Staying near the right edge at the same time keeps both vehicles room if you meet inside the curve. Picking "Flash parking lights and hug the center line" would put your vehicle near the center where an unseen oncoming driver is most likely to appear. Tap the horn before the bend tightens, stay right, and be ready to slow for a vehicle you cannot yet see.
Study this in the handbook: Mountains, open range and winter driving
17. Excluding snow removal and farm equipment, during what hours may an ordinary slow-moving vehicle designed to travel no faster than 25 miles per hour use Idaho public highways?
- Only between sunrise and sunset exactly
- At any hour if the vehicle displays the approved emblem
- During daylight hours only
- Only on non-interstate roads at night
Show answer
During daylight hours only. Such a slow-moving vehicle may use public highways during daylight hours only. The handbook defines daylight as the period from 30 minutes before sunrise to 30 minutes after sunset, so the exact sunrise-to-sunset option is too narrow. An emblem does not make night travel lawful. Snow removal equipment and farm equipment on non-interstate highways with flashing lights visible for 500 feet are the listed exceptions. Normal 25 mile per hour vehicles need to be off the road after the daylight window closes.
Study this in the handbook: Passing and slow vehicles
18. Who does Idaho's open container law prohibit from possessing open alcohol?
- Drivers during their first license year
- Only passengers in the front seat
- Only drivers under twenty one years old
- Both drivers and passengers in the vehicle
Show answer
Both drivers and passengers in the vehicle. The Idaho open container law reaches everyone in the vehicle. Both drivers and passengers are prohibited from drinking or possessing an open alcoholic beverage container while in the vehicle. Picking "Drivers during their first license year" would limit the ban to the driver and leave passengers legally free to hold open drinks beside them. Seal it, store it properly, or leave it behind, no matter which seat you occupy on the trip.
Study this in the handbook: Administrative suspension and how alcohol affects you
19. Which non-driving failure can lead Idaho to suspend a driver's license?
- Missing a voluntary driver training refresher course
- Failing to attend school or meet school requirements
- Letting a vehicle registration sticker expire
- Failing to update a mailing address promptly
Show answer
Failing to attend school or meet school requirements. Idaho can suspend a license for reasons that reach beyond conduct behind the wheel. Failure to attend school or comply with school requirements is one of the listed grounds for suspension, alongside driving offenses such as DUI and fleeing an officer. A student who stops attending can therefore lose driving privileges even with a clean traffic record. Staying enrolled and meeting school requirements protects both education and the license that depends on it.
Study this in the handbook: Points, suspensions and reinstatement
20. How are the lenses arranged on a pedestrian hybrid beacon?
- The beacon has one red lens beside two yellow lenses.
- The beacon has two red lenses over one yellow lens.
- The beacon has red, yellow, and green lenses stacked vertically.
- The beacon has one flashing white lens above the crosswalk.
Show answer
The beacon has two red lenses over one yellow lens.. A pedestrian hybrid beacon, sometimes called a HAWK, has two red lenses positioned over one yellow lens. One red lens beside two yellow lenses reverses the counts and places the colors beside one another. A conventional red-yellow-green signal is a different device, and the handbook does not describe a flashing white lens above the crosswalk. The beacon remains dark until activated for a crossing, but its identifying lens arrangement is two red lights above one yellow light.
Study this in the handbook: Traffic signals
Every question is written from the official Idaho Driver's Handbook. Need paper? Printable ID practice test with answer key.
Last verified 2026-10-05. How we check every question · Study all 500 as flashcards
Frequently asked questions
How many questions are on this Idaho practice test?
This fixed set has 20 questions. It is test 16 of 25 from the 500 question Idaho bank. The real ID exam asks 40 questions and you need 34 correct.
What is the passing score for the real Idaho test?
34 of 40 correct; you can miss up to six questions before failing the test That figure comes from the official Idaho source cited on the DMV facts page.
How does this fixed test relate to the full Idaho bank?
Each numbered test is a fixed set of questions in a fixed order, so you can retake the same test later and compare. Every test mixes road signs and the other topics in about the same proportion as the full bank. Tests 1 to 25 together cover every question in the Idaho bank once. The full practice page mixes the whole bank at random.
Last verified 2026-10-05. See the Idaho DMV facts page for sourced state details.
