IA Permit Practice Test 6

All 20 questions in test 6

Every question below comes from the Iowa question bank on this page. Open a question to see the correct answer and the explanation. Nothing here is hidden behind a signup.

1. 1. Which general speed rule applies to trucks on Iowa secondary roads?

   1. The 50 mph rule applies at any time of day
   2. Trucks have no secondary-road limit
   3. Trucks may always travel 70 mph
   4. The rule applies only from sunrise to sunset
   Show answer

   The 50 mph rule applies at any time of day. For trucks on secondary roads, Iowa applies the 50 mph limit at any time of day. The sunset-to-sunrise wording applies to the general 50 mph provision for other vehicles, so limiting trucks to nighttime misses the special condition. Trucks also do not receive an unlimited or 70 mph exception. Check the vehicle type and the road classification together before applying the time rule. A practical cue is truck plus secondary road means 50 mph around the clock, subject to any lower posted or condition-based limit.

2. 2. How much following distance does Iowa's manual recommend behind an emergency vehicle using lights and sirens?

   1. Exactly one car length
   2. At least 50 feet
   3. No more than 100 feet
   4. At least 500 feet
   Show answer

   At least 500 feet. The manual gives a minimum following distance of 500 feet behind an emergency vehicle using lights and sirens. Fifty feet is far shorter, and a one-car-length rule ignores the speed and response conditions. The manual also does not frame the distance as a maximum of 100 feet. Think of the number as a large buffer that protects the emergency crew, keeps the response route clear, and prevents a civilian vehicle from being pulled into a dangerous maneuver. Use the full figure when reviewing this rule.

3. 3. When an underage Iowa driver's BAC is .08 or more, what is the minimum license revocation period?

   1. 30 days
   2. 60 days
   3. 120 days
   4. 180 days
   Show answer

   180 days. The underage revocation minimum rises to 180 days when the BAC is .08 or more. That is distinct from the minimum 60 days applied to the .02 through .079 range. The 30, 60, and 120-day options either use the lower range or invent a period not provided by the manual. Pay attention to the phrase .08 or more, because the boundary moves the driver into the longer consequence. The practical cue is to remember the paired figures as 60 for the lower underage range and 180 at .08 or above.

4. 4. Who must have an Iowa permit or driver's license when using public roads?

   1. Only Iowa residents who have lived there for one year
   2. Only people operating commercial trucks
   3. Anyone operating a motor vehicle, motorcycle, or moped
   4. Only drivers traveling outside city limits
   Show answer

   Anyone operating a motor vehicle, motorcycle, or moped. Iowa requires a permit or license for anyone operating a motor vehicle, motorcycle, or moped on public roads. The rule covers more than people driving cars, so the commercial truck option is too narrow. A one year residency requirement is not part of the rule, and city boundaries do not determine whether a credential is needed. When studying this requirement, connect the credential to the type of vehicle and the public-road setting. That cue helps distinguish the general licensing rule from special exemptions described elsewhere in the manual.

5. 5. What do fluorescent pink signs mean on Iowa roads?

   1. Construction zones
   2. School zones
   3. Recreation areas
   4. Warning and guide signs for incident management, such as crash cleanup or debris removal
   Show answer

   Warning and guide signs for incident management, such as crash cleanup or debris removal. Fluorescent pink is the sign color for incident management. Pink warning and guide signs mark temporary situations such as crash cleanup, debris removal and the traffic changes around them. Orange marks construction work, fluorescent yellow green marks school and pedestrian areas, and brown points to recreation and cultural sites. When you see pink, expect responders in the road and slow down.

6. 6. You are in an Iowa crash with more than $1,500 in property damage. What happens if you fail to report it within 72 hours?

   1. Nothing, if the other driver reports it
   2. You lose your driving privileges and face further penalties
   3. Only your insurance rate can change
   4. You receive a warning letter
   Show answer

   You lose your driving privileges and face further penalties. Iowa law requires reporting a crash that involves injury or death or property damage of more than $1,500. If you fail to do so within 72 hours, you lose your driving privileges and face further penalties. Another driver's report does not satisfy your duty, and the consequence is not just an insurance change or a warning. Call 911 to report the crash and give the officer your insurance, registration, and license.

7. 7. Under Iowa's passing rules, within what distance of a railroad crossing is passing prohibited?

   1. 50 feet
   2. 15 feet
   3. 100 feet
   4. 1,000 feet
   Show answer

   100 feet. Iowa prohibits passing within 100 feet of a railroad crossing, the same distance that applies near intersections and posted narrow bridges. Fifteen feet is the minimum gap to leave between your vehicle and the nearest rail when stopped, and 50 feet is the Iowa no parking distance from a crossing. One thousand feet is not a passing rule. Passing near tracks can leave you stuck in the wrong lane when a train or a stopping vehicle appears.

8. 8. A lane-control arrow directing traffic around an obstruction tells the driver to:

   
   1. Turn around before reaching the obstruction
   2. Use the shoulder for passing
   3. Stay in the left lane until the road ends
   4. Keep to the right of the obstruction
   Show answer

   Keep to the right of the obstruction. Lane-control signs show where traffic may go and where a turn can be made. An arrow bending around an obstruction to the right directs you on that side of the divider or barrier. It does not authorize shoulder passing, require a prolonged stay in the left lane, or call for a U-turn. Reduce speed as needed, follow the marked path, and keep enough space from the obstruction to avoid drifting into opposing or conflicting traffic.

9. 9. What minimum speed does the Iowa manual identify for the interstate system?

   1. 40 mph
   2. 30 mph
   3. 50 mph
   4. 55 mph
   Show answer

   40 mph. The interstate system has a minimum speed of 40 mph in the manual. That figure is different from the maximum limits listed for particular road types, including 70 mph on rural interstates. A vehicle that cannot reach at least 40 mph under ordinary conditions should use another route, because moving far below the traffic flow can create a hazard. The 30, 50, and 55 mph options do not match the stated interstate minimum. When reviewing this rule, separate the floor for interstate travel from the ceiling for a specific highway.

10. 10. What does the Iowa manual identify as the number one cause of traffic-related fatalities in the state?

    1. Driving above the posted speed limit
    2. Failure to yield the right-of-way
    3. Driving while impaired by alcohol or drugs
    4. Using a handheld phone while driving
    Show answer

    Failure to yield the right-of-way. The manual names failure to yield the right-of-way as Iowa's number one cause of traffic-related fatalities. Speeding, impairment, and phone use can each create serious danger, but none is the statistic identified in this passage. The practical response is to watch for conflicts before they develop, especially at intersections where another driver, pedestrian, or bicyclist may be vulnerable. When a vehicle appears ready to enter your path, ease off and leave room rather than insisting on priority. A right-of-way rule organizes traffic, but it never makes a collision acceptable.

11. 11. What do yellow lines separate on an Iowa roadway?

    1. Traffic traveling in the same direction
    2. Traffic traveling in different directions
    3. Only vehicles in a work zone
    4. Parking spaces from the curb
    Show answer

    Traffic traveling in different directions. Yellow lines separate traffic traveling in different directions. White lines separate traffic moving in the same direction, so the choice “Traffic traveling in the same direction” reverses the manual’s color rule. Work-zone markings and curbside parking are separate roadway functions, not the general meaning of a yellow center line. Before crossing a line to pass or turn, identify whether it divides opposing flows and check whether the line is solid or broken. The first visual cue is color, while the exact passing permission comes from the complete marking pattern and nearby signs.

12. 12. What must a driver do for a pedestrian who is in or about to enter a crosswalk?

    
    1. Yield to the pedestrian
    2. Continue if the crosswalk has no painted lines
    3. Yield only at a traffic signal
    4. Sound the horn and proceed first
    Show answer

    Yield to the pedestrian. Drivers must yield to anyone in or about to enter a crosswalk. Iowa's manual also warns that not all crosswalks are marked, so the absence of painted lines does not cancel the duty. The traffic-signal-only choice is too narrow, and sounding the horn does not replace yielding. Reduce speed while approaching crossings, scan both sides for people, and be ready to stop before entering their path. Treat an unmarked crossing at an intersection as a place where pedestrians may still have the protection described by the rule.

13. 13. What does a red circle with a red slash over a symbol on a regulatory sign mean?

    
    1. The roadway is reserved for the symbol shown
    2. The action shown is recommended during bad weather
    3. The action shown by the symbol is prohibited
    4. The symbol identifies the next available service
    Show answer

    The action shown by the symbol is prohibited. A red circle with a red slash is used on regulatory signs to show that a driver cannot do the action represented by the symbol. Examples include no left turn, no right turn, and no U-turn. The marking is not a recommendation, reservation, or service symbol. Study the picture beneath the slash because that picture identifies the prohibited movement. Before turning, scan for the sign so a permitted maneuver at one intersection is not carried into a restricted one.

14. 14. Your vehicle stalls in floodwater on an Iowa road. What does the manual say to do?

    1. Stay inside and wait for help
    2. Restart the engine and drive on
    3. Abandon the vehicle and move to higher ground
    4. Open the windows and wait
    Show answer

    Abandon the vehicle and move to higher ground. Do not stay in a flooded vehicle. If your vehicle is stalled in floodwater, abandon it and move to higher ground, because water can rise quickly and carry the vehicle away. If the car is swept into water and submerged, remain calm, wait for it to fill with water so the doors open, then hold your breath and swim to the surface. Restarting a flooded engine does not work and wastes time.

15. 15. What does Iowa's Hill warning sign tell a driver to do?

    1. Shift into neutral
    2. Check your brakes before going down the hill
    3. Turn off the engine to save fuel
    4. Increase speed to climb
    Show answer

    Check your brakes before going down the hill. The Hill sign warns all vehicles that the road ahead goes down a hill, and the manual says you should check your brakes before going down it. A long descent overheats brakes that are already weak, so shift to a lower gear for engine braking and avoid riding the pedal. Neutral removes engine braking, and the sign is about a descent, not a climb.

16. 16. How far from railroad tracks must a vehicle carrying placarded hazardous materials stop before crossing, unless an exception applies?

    1. At least 100 feet
    2. Exactly 5 feet
    3. Between 15 and 50 feet
    4. No stop is required when no train is visible
    Show answer

    Between 15 and 50 feet. A vehicle required to display hazardous-material placards must stop within the 15-to-50-foot range before crossing railroad tracks. The rule is a stopping distance range, not a five-foot or 100-foot requirement, and the absence of a visible train does not erase it. A police officer, highway traffic signal, or an EXEMPT sign can direct traffic to proceed without that stop. Check the vehicle's placard status and the crossing instructions before moving across.

17. 17. How close to a stop sign may an Iowa driver park?

    1. No closer than 10 feet
    2. No closer than 5 feet
    3. No closer than 50 feet
    4. No closer than 30 feet
    Show answer

    No closer than 10 feet. Iowa prohibits parking closer than 10 feet from a stop sign, so the sign stays visible to approaching drivers. The same list bans parking in an intersection, on a sidewalk, on interstates and highways, within five feet of a hydrant or in a hydrant red zone, and double parking. Thirty and fifty feet are the stop sign distances used in some other states, not Iowa's figure.

18. 18. Which following-distance rule is the safest and easiest way to judge space behind another vehicle?

    1. Keep one car length for every five mph
    2. Use the Three-Four Second Rule
    3. Stay exactly two seconds behind in all conditions
    4. Follow close enough to read the vehicle's plate
    Show answer

    Use the Three-Four Second Rule. The Iowa manual identifies the Three-Four Second Rule as the safest and easiest way to judge a following gap. It helps preserve enough room to stop if the vehicle ahead slows suddenly. A fixed car-length formula ignores speed, and exactly two seconds is not suitable for every driver or condition. Reading a plate is a visual task, not a safety measure. Choose a stationary landmark, start counting when the lead vehicle passes it, and adjust farther back when weather or visibility reduces the margin.

19. 19. After slowing for a yield sign, what must a driver give to traffic in the intersection or roadway being entered?

    1. Permission to pass on the shoulder
    2. A green light
    3. A minimum five-second wait
    4. The right of way
    Show answer

    The right of way. A yield sign tells the driver to slow down and give the right of way to traffic in the intersection being crossed or the roadway being entered. It does not require a fixed five-second pause or depend on a green light, and it never authorizes shoulder passing. Scan across the full conflict area before moving, including traffic approaching from either direction. The key cue is the word yield: reduce speed, let the other road users proceed when necessary, and continue only when the path is clear.

20. 20. At a roundabout, what must approaching vehicles yield to?

    1. Pedestrians in the crosswalk and traffic already in the roundabout
    2. Only vehicles entering from the left
    3. Vehicles waiting behind the yield line
    4. No one when the driver signals a turn
    Show answer

    Pedestrians in the crosswalk and traffic already in the roundabout. At a roundabout, approaching vehicles must yield to pedestrians in the crosswalk and to traffic already circulating in the roundabout. The choice “Only vehicles entering from the left” omits pedestrians and identifies only one approach direction. A vehicle waiting behind the yield line is not the traffic with priority, and a turn signal does not cancel the yield requirement. Slow before the entry, look left for circulating vehicles, and check the crosswalk before proceeding. Enter only when both the pedestrian path and the circulating lane provide a safe gap.