Iowa DOT Permit Practice Test 37
- Questions25
- Correct to pass20
- Passing score80%
- Minimum age14 years
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1. You are turning left from a one-way street onto another one-way street. Which lane should you use?
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Answer B: Turn from the far left lane into the far left lane of the new street
The general turning rule is to turn from the lane nearest the direction of the turn into the nearest lane of the new roadway, which on a one-way to one-way left turn means far left to far left.
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2. You are driving on a divided highway and see a solid yellow line along the left side of your lanes. What does it tell you?
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Answer D: It marks the left edge of the roadway for your direction
On a divided highway or a one-way roadway, the left edge of the traveled way is marked with a solid yellow line.
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3. A city transit bus ahead of you has stopped at the curb with its passenger door open. What does the law require of you?
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Answer D: Nothing special, but pass slowly and watch for people
The mandatory stop applies to a school bus showing red flashing lights, not to a transit bus, though a careful driver still slows for crossing passengers.
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4. 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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5. While you wait for the ambulance at a crash, what is the most useful help you can give?
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Answer C: Keep the person still and warm, and press down firmly on any heavy bleeding
Keeping an injured person still and warm and controlling bleeding are among the few things a bystander can safely do.
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6. What do yellow lines painted on a roadway separate?
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Answer D: Traffic moving in opposite directions
Yellow markings separate opposing streams of traffic, and they also mark the left edge of a divided highway or a one-way roadway.
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7. What does electronic stability control do that ordinary brakes cannot?
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Answer C: It brakes single wheels to bring the vehicle back on your intended path
The system compares where you have steered with where the vehicle is actually going, then brakes individual wheels to pull it back into line.
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8. The trapezoid sign shape is associated with
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Answer C: recreational and cultural interest area signing
The trapezoid is used for recreational and cultural interest area guide signs and for national forest route markers.
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9. How can you tell that a child safety seat is installed tightly enough?
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Answer C: It moves less than an inch side to side or front to back at the belt path
A correctly installed seat is nearly immovable where the belt or lower anchors pass through it. Excess movement lets the child's body travel farther in a crash.
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10. You arrive at an intersection where the traffic signal is completely dark because of a power failure. How should you proceed?
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Answer C: Treat the intersection as an all-way stop
When a signal shows no indication at all, drivers on every approach must stop and then take turns, exactly as at an all-way stop.
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11. Trees block the view along the tracks as a driver approaches this sign. What approach speed is correct?
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Answer B: Slow enough to stop before the nearest rail once a train comes into view
Where the view along the track is obstructed, the only safe speed is one that still leaves stopping distance after a train first becomes visible.
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12. You are stopped in a shared through and right-turn lane with your right signal on, and a bicyclist rides up along your right side. What should you do?
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Answer A: Let the bicyclist clear the intersection or move ahead before you turn
A cyclist alongside your right side is in the path your turn will sweep across, so wait until that space is clear before turning.
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13. Which clue tells you that a parked vehicle is about to pull into traffic?
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Answer D: Exhaust smoke, brake lights, front wheels turned out or a driver in the seat
A running engine, lit brake lights, turned wheels or a person behind the wheel all mean the vehicle may move. Slow down and give it room.
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14. A driver stopped on suspicion of impaired driving refuses to take a chemical test. What happens?
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Answer D: A license penalty follows for the refusal itself
Under implied consent, holding a license means agreeing to testing, so a refusal brings its own suspension separately from anything the court decides.
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15. How should a driver respond to this sign?
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Answer C: Slow down before reaching the rough spot and cross it at a steady, low speed
Losing speed before a sharp rise in the pavement keeps the vehicle settled, while braking or accelerating on top of it unsettles the suspension and costs grip.
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16. Which of these is true of the roadway a driver is being sent onto here?
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Answer D: Its own signs, signals and speed limits govern for the whole way around
The alternate route is an ordinary public road, so every control posted on it governs as usual; being sent that way grants no extra priority and no relief from the limits in force there.
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17. When may the holder of an Iowa special minor's restricted license drive unsupervised in relation to the authorized activity?
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Answer C: Only during the hour before and the hour after the scheduled activity
Iowa Code section 321.194 limits unsupervised driving to the hour before and the hour after the beginning and end of the licensee's scheduled instruction, extracurricular activity, work shift, or farm work.
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18. What is the recommended minimum distance between the driver's breastbone and the center of the steering wheel air bag cover?
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Answer C: About 10 inches
An air bag inflates extremely fast, and keeping that much space lets it deploy fully before it reaches the driver, which is why the seat should be moved back as far as still allows comfortable control of the pedals.
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19. You park in your own driveway and the rear of the vehicle sticks out over the sidewalk. What is wrong with that?
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Answer C: It blocks the sidewalk and forces people into the street
A vehicle overhanging the sidewalk pushes pedestrians, wheelchair users and strollers into the roadway, and blocking a sidewalk is prohibited.
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20. For how long is an Iowa driver's license valid only for operating a motorized bicycle issued?
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Answer D: Two years
Iowa Code section 321.189 makes a license valid only for operation of a motorized bicycle effective for a period not to exceed two years from the licensee's birthday anniversary in the year of issuance.
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21. Why is this restriction so common beside fire hydrants, crosswalks and intersection corners?
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Answer C: To keep sight lines open and leave access for emergency crews
A vehicle left in those places hides pedestrians from approaching drivers, blocks the path of turning vehicles and can keep firefighters from reaching a hydrant.
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22. The green arrow protecting your turn changes to a steady yellow arrow. What is it telling you?
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Answer A: The protected turn is ending and you should prepare to stop
A steady yellow arrow warns that the arrow movement is being terminated and that a red indication will follow.
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23. You have finished parallel parking at the curb. How should the vehicle sit?
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Answer A: Close to the curb, so that it does not stick out into the traffic lane
A parked vehicle must sit close enough to the curb that it does not intrude into the path of passing traffic; the exact maximum distance is set by each state.
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24. A driver passes this sign on an open road. Over what stretch does the figure it sets stay in force?
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Answer A: From the sign onward, in every lane, until another sign sets a different figure
The figure governs the road from the sign onward and binds every lane, and it stays in force until a later sign sets a different one.
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25. What is the purpose of a wide solid white line painted straight across your lane on the approach to an intersection?
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Answer C: It shows the point where a required stop must be made
A stop line indicates the point at which the stop required by a signal or a stop sign is to be made, ahead of the crosswalk and the intersection.