Iowa Permit Practice Test 2
A second full-length Iowa practice test: 30 fresh multiple-choice questions with zero repeats from Test 1. You need 80% correct to pass the real Iowa DOT Knowledge Test.
Tap an answer. The explanation opens so you can learn it, then go on. Keyboard: A–D or 1–4 to answer, then Enter or Space.
Question 1 of 30
1. You reach an Iowa flashing red light. What must you do?
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Correct answer: A. Iowa’s required-stop list includes a flashing red light. Stop, then go ahead if the way is clear. Watch the vehicle ahead pass a landmark before you move so you are not following too closely through the crossing.
2. Iowa law requires headlights from sunset to sunrise or when visibility is how limited?
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Correct answer: A. Iowa requires both headlights from sunset to sunrise or whenever visibility is 500 feet or less because of fog, heavy rain, or snow. A practical hook in the manual: turn headlights on whenever you turn the wipers on.
3. If your vehicle catches fire, what first steps does the U.S. Fire Administration list?
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Correct answer: A. Official USFA vehicle-fire guidance says Pull over as quickly as you can when it is safe. Once you have stopped, turn off the engine. Get everyone out of the vehicle. Never return to a burning vehicle. Move everyone at least 100 feet from the burning vehicle and well away from traffic. Call 911.
4. You are driving in a lane with a large white arrow painted on the pavement curving to the right. What does this marking require?
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Correct answer: B. A curved lane-use arrow makes that lane turn-only: follow the arrow or change lanes before the intersection. The arrows sort traffic early so drivers do not swerve at the last second. The pavement is telling you your path.
5. Where does modern guidance tell you to place your hands on the steering wheel?
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Correct answer: D. Hold the wheel near the 9 and 3 o'clock positions, level on each side. This grip gives balanced control and keeps your arms out of the path of a deploying airbag. Think low and wide, clear of the bag.
6. What practice log must an Iowa teen finish before an intermediate license, including after-dark hours?
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Correct answer: A. Iowa's intermediate stage also needs a 12-month permit hold, a crash- and violation-free 6 months before applying, and driver education. The practice log is only 20 hours with 2 after dark — shorter than many neighboring states, but the night block is still required.
7. Signs on Iowa highways vary from road to road, but the law sets one absolute top limit for the fastest routes. That limit is which value?
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Correct answer: D. By statute, 70 mph is the fastest any Iowa road can be posted. Below that ceiling, engineers set each road's limit for its design and traffic, which is why the posted sign on your road governs.
8. You are parking near railroad tracks. What distance do most state manuals require from the nearest rail?
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Correct answer: C. Fifty feet from the nearest rail is the usual keep-clear distance so trains and crossing gates have room and drivers can see. Do not park on or immediately beside the tracks. Fifty for rails, thirty for signs, twenty for walks, fifteen for hydrants.
9. An Iowa signal is a flashing yellow (not the arrow). What should you do?
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Correct answer: A. Iowa’s flashing yellow means proceed with caution and yield to vehicles and pedestrians in the intersection. The flashing yellow arrow is the left-turn version of the same idea. Neither flash is a stop, and neither holds opposing traffic.
10. Iowa enforces 'zero tolerance' for underage drinking and driving. In practice, a driver under 21 violates this law at what BAC?
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Correct answer: A. Zero tolerance in Iowa means the under-21 line sits at 0.02%, so even one drink can end in a suspended license. The memory hook is simple: under 21 means zero drinks before you drive.
11. How does the official NHTSA NDR code book label leaving a crash without aiding?
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Correct answer: A. Official 23 CFR 1327 Appendix A lists B01 Hit and run—failure to stop and render aid after accident. Related codes cover fatal, injury, and property-damage hit-and-run. State penalties vary; this leftover uses that official national label.
12. What supervision does NHTSA require during the learner’s permit phase?
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Correct answer: A. Official NHTSA GDL guidance says A learner’s permit allows driving only while supervised by a fully licensed driver. The leftover front-seat-only sentence is not on that page; this nearby official supervision rule is. Learn that official wording, then answer the knowledge test from those words.
13. Which MUTCD warning-sign group includes the Deer sign W11-3?
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Correct answer: A. Official MUTCD 2009 Part 2C lists Non-Vehicular 2C.50, 51 Pedestrian, Deer, Cattle, Snowmobile, Equestrian, Wheelchair, Large Animals, Playground as W11-2,3 and related signs. Testers invent leftover dusk-group folklore. Learn that official wording, then answer the knowledge test from those words.
14. A truck ahead signals a right turn but first swings out toward the left. What should you do?
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Correct answer: C. Long vehicles swing wide to make right turns, and the tempting gap on their right closes like a trap once the trailer comes around. Hold back and wait. Do not slide into the right side of a turning truck.
15. Headed uphill at a curb, which way does the official CA handbook (nationally taught hill technique) turn the front wheels?
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Correct answer: A. Official California Driver Handbook parking technique — taught the same way nationwide — says Headed uphill: Turn your front wheels away from the curb (left-towards the center of the road) and let your vehicle roll back a few inches. The wheel should gently touch the curb.
16. A yellow diamond sign shows a truck tilted nose-down on a black slope. You are about to descend a long, steep grade. What is the proper technique?
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Correct answer: C. On a steep downgrade, shift to a lower gear before descending so engine braking holds your speed, and use the brakes sparingly. Constant braking overheats the pads until they fade and fail. Gears save brakes; brakes alone can quit.
17. In Iowa, supervised behind-the-wheel practice with a permit can begin once a teen reaches which age?
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Correct answer: C. Supervised practice starts at 14 in Iowa, once the teen holds a learner's permit. Every practice hour with a licensed adult builds judgment that classroom study alone cannot teach, which is why the permit stage exists.
18. A 17-year-old in Iowa claims, 'I only need to stay under the adult limit.' Under zero tolerance, the BAC that actually applies to under-21 drivers is what?
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Correct answer: C. The adult limit is irrelevant for minors. Iowa's zero-tolerance law applies at 0.02% for drivers under 21, because any alcohol raises a new driver's crash risk. If you are under 21, drinking and driving do not mix.
19. You are driving through a residential district in Iowa and see no speed limit signs. What is the default speed limit?
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Correct answer: C. Where no sign is posted, Iowa's default residential limit is 25 mph. Homes mean driveways, pets, and kids near the road, so the default stays low. A posted sign overrides the default, so watch for one.
20. You are towing a small trailer on a highway posted 70 mph. What should you assume about a safe speed?
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Correct answer: B. Added weight and sway stretch your stopping distance, and some states post a lower tow limit. Even when the big number is legal, the safe number is often lower. If it sways, you are already too fast.
21. A pedestrian is crossing your half of the street in a crosswalk at an intersection without signals. What must you do?
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Correct answer: A. Drivers must yield to pedestrians in a crosswalk, and crosswalks legally exist at intersections even when no lines are painted. People on foot have no protection in a collision, so treat every corner as a possible crosswalk.
22. You want to turn left on a circular green light with no arrow. Oncoming cars are coming straight through. Who goes first?
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Correct answer: B. A circular green lets you turn left only after yielding to oncoming traffic and to pedestrians. It is not a protected green arrow. Wait in the intersection if your state allows, then complete the turn without cutting anyone off.
23. You and another driver stop at a four-way stop at exactly the same time, and the other car is on your right. What should you do?
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Correct answer: D. When two drivers stop at the same moment, the driver on the left yields to the driver on the right. This tiebreaker gives everyone the same answer without guessing. Remember the phrase: right goes right away.
24. While planning a road trip across Iowa, you look up the fastest speed any of its highways allow. What is that statewide maximum?
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Correct answer: A. Iowa's top speed limit is 70 mph, found only on its fastest designated highways. Expect lower posted limits on most stretches, and remember signs control: the maximum applies only where a sign actually posts it.
25. Ahead of a raised concrete median you see a white sign reading KEEP RIGHT with an arrow curving to the right. What should you do?
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Correct answer: A. KEEP RIGHT tells you the roadway splits around an island, median, or obstruction, and all traffic must pass on the right side. Passing left would put you into oncoming lanes. Follow the arrow around the obstacle, then continue straight.
26. A classmate insists everyone must wait until 18 to start driving in Iowa. The real minimum age for a learner's permit is which of these?
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Correct answer: D. Your classmate is wrong: Iowa grants learner's permits at 14. Starting earlier gives you months of supervised practice while risk is lowest. When rules feel fuzzy, confirm them in the official state driver handbook.
27. You see a yellow pennant-shaped sign on the left side of your lane that reads NO PASSING ZONE. What should you do?
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Correct answer: B. The pennant is the only sign that points to the left, marking the start of a no-passing zone. Do not pull out to pass until you see a regular passing-allowed marking. Left-side pennant means stay put.
28. A friend in Iowa says, 'I feel fine, so I can drive.' Feelings aside, the law sets the illegal BAC for drivers 21 and older at which number?
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Correct answer: B. Feeling fine proves nothing; alcohol dulls the very judgment you use to check yourself. In Iowa, 0.08% is the per-se limit for adults, and measurable impairment often shows up well before a driver reaches it.
29. A traffic light is circular yellow after you have already entered the intersection on green. What should you do?
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Correct answer: B. Once you are in the intersection on green, a yellow that follows means finish the crossing smoothly. Stopping mid-box blocks others and can get you hit from behind. Yellow before the line means stop if you can; yellow after the line means clear out.
30. Can a small amount of alcohol affect driving, according to NHTSA?
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Correct answer: A. Official NHTSA drunk-driving guidance says even a small amount of alcohol can affect driving ability. Even small amounts of alcohol affect one’s brain and the ability to drive. Testers invent leftover one-beer-is-nothing courtesy.
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