Iowa DOT Permit Practice Test 4
Test 4 of 10. Pick an answer for each question to see if it is right and why; your score appears at the end. You need 20 correct answers to pass, the same ratio as the real Iowa test.
- Questions25
- Correct to pass20
- Passing score80%
- Minimum age14 years
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1. A yellow diamond shows an arrow that doubles back on itself. What kind of curve lies ahead?
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Answer C: A turn of 135 degrees or more, nearly doubling back
The hairpin curve sign is used where the road changes direction by 135 degrees or more, and it is normally backed up by chevrons or a large arrow through the bend.
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2. What proof of insurance must an Iowa driver be able to produce while driving?
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Answer A: A proof of financial liability coverage card, on paper or displayed electronically
Iowa Code section 321.20B requires the driver to carry the proof of financial liability coverage card issued for the vehicle, and allows the card to be produced in paper or electronic format.
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3. In Iowa, if you cannot safely change lanes when approaching a stopped emergency vehicle with flashing lights, what does the law require?
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Answer D: Reduce speed below the posted speed limit and be prepared to stop
Iowa Code section 321.323A requires drivers who cannot change lanes to reduce speed to a reasonable and proper speed that is less than the posted speed limit and to be prepared to stop.
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4. What is the main limit of stability and traction control systems?
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Answer B: They cannot create grip that the tires and the road do not have
These systems manage the grip that exists. If you enter a curve too fast for the surface, no amount of electronics will hold the vehicle on the road.
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5. Which of these makes you unpredictable to other drivers?
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Answer B: Changing lanes suddenly without signaling, to save a moment
An unsignalled, sudden lane change gives nobody time to react and is a common cause of sideswipe collisions.
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6. You have a green light and are turning right. Pedestrians are stepping off the curb into the crosswalk you are about to cross. What should you do?
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Answer B: Wait and let them cross before completing your turn
A green light does not release a turning driver from yielding to pedestrians already in the crosswalk of the street being entered.
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7. How much of an Iowa approved driver education course must address substance use disorder and distracted driving?
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Answer A: A minimum of four hours
Iowa Code section 321.178 requires classroom instruction to include a minimum of four hours concerning substance use disorder and distracted driving.
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8. How does a full load of passengers and luggage affect your braking?
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Answer B: It lengthens the stopping distance, so you should brake earlier
More weight means more energy to get rid of, so a loaded vehicle takes longer to stop and needs earlier, gentler braking.
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9. You and the driver facing you both have stop signs at a two-way stop. You are going straight and that driver is turning left. Who has the right of way?
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Answer B: You do, and the turning driver must wait
Between two opposing drivers who both stopped, the one going straight goes first and the left-turning driver yields.
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10. You have finished a distracting task and your eyes are back on the road. What is true?
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Answer A: Your full attention takes a while to come back
Studies of drivers show attention lags behind the eyes for many seconds after a phone or a screen task, so the danger continues after the task is over.
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11. A pedestrian with a white cane draws the cane back and steps away from the curb as you approach. What does that usually mean?
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Answer B: They are signaling you to go ahead and drive on
Pulling the cane in and stepping back from the curb is the customary way a blind pedestrian tells drivers to proceed.
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12. Under Iowa law, for how long after a license expires is a driver not considered to be driving with an invalid license?
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Answer B: 60 days
Iowa Code section 321.196 provides that a person shall not be considered to be driving with an invalid license during the sixty days following the license expiration date.
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13. On a narrow residential street, why does parking tight against the curb matter so much?
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Answer C: Because fire trucks and ambulances need the width to get through
Cars parked even a foot out from the curb on both sides can narrow a street until a fire truck or ambulance cannot pass.
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14. As speed rises, which part of the total stopping distance grows the fastest?
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Answer B: The braking distance, which grows far faster than speed itself
Perception and reaction distances grow in step with speed, but braking distance grows roughly with the square of speed, so it dominates at higher speeds.
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15. How does marijuana affect a driver?
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Answer C: It slows reaction time and impairs judgment of time and distance
Marijuana impairs coordination, attention and the ability to judge speed and distance. Driving while impaired by it is illegal everywhere, even where its use is legal.
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16. A pedestrian starts to cross against a Do Not Walk signal, right in front of you. What should you do?
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Answer D: Slow or stop and let the person reach safety
Even when a pedestrian is crossing unlawfully, a driver must take reasonable care to avoid hitting that person.
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17. During which hours must an Iowa intermediate licensee be accompanied by a qualifying adult driver?
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Answer C: Between 12:30 a.m. and 5:00 a.m.
Iowa Code section 321.180B requires an intermediate licensee driving between 12:30 a.m. and 5:00 a.m. to be accompanied by a qualifying licensed adult.
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18. What capability must a vehicle have before it may use an Iowa interstate highway?
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Answer A: It must be able to attain and maintain at least 40 miles per hour
Iowa Code section 321.285 prohibits any vehicle, device, implement or conveyance incapable of attaining and maintaining a speed of forty miles per hour from using the interstate road system.
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19. Apart from giving you room to stop, what else does a longer following gap do for you?
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Answer D: It widens your view of the road and the traffic ahead
Sitting further back lets you see past and around the vehicle in front, so hazards reach your eyes seconds earlier.
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20. How should a long trip be broken up to keep the driver alert?
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Answer D: Stop for a break every couple of hours and share out the driving
Regular breaks and a change of driver are the only reliable answers to fatigue; caffeine only postpones it.
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21. What happens to an Iowa citation for no proof of coverage if the driver shows the clerk of court that coverage was in force at the time of the stop?
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Answer A: The citation is dismissed, though the costs of the action are still assessed
Iowa Code section 321.20B bars conviction and requires dismissal when proof is produced to the clerk before the court date, but the costs of the action are assessed against the defendant named on the citation.
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22. How long does the Iowa DOT suspend a special minor's restricted license when the holder breaks its restrictions or is at fault in a crash?
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Answer D: Three months
Iowa Code section 321.194 requires the department to suspend a special minor's restricted license for three months on satisfactory evidence of a restriction violation, an at-fault crash, or one qualifying conviction.
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23. How long does the Iowa DOT revoke a license after a plea or verdict of guilty to a third operating while intoxicated offense?
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Answer D: Six years
Iowa Code section 321J.4 requires the department to revoke the license for six years upon a plea or verdict of guilty of a third or subsequent violation of section 321J.2.
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24. What fine does Iowa attach to driving while a license is denied, canceled, suspended, or revoked?
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Answer D: Not less than two hundred fifty dollars nor more than one thousand five hundred dollars
Iowa Code section 321.218 makes the offense a simple misdemeanor and requires a fine of not less than two hundred fifty dollars nor more than one thousand five hundred dollars.
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25. How long may an Iowa vehicle impounded for lack of insurance go unclaimed before it may be treated as abandoned?
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Answer D: Thirty days
Iowa Code section 321.20B provides that a motor vehicle impounded under that section and not claimed within thirty days after impoundment may be treated as an abandoned vehicle.