Iowa Driver's License Test Cheat Sheet 2026
The 30 highest-yield Iowa Driver's License Test facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.
- How far from a traffic control signal (traffic light) must you not park? → 30 feet
- Who has right of way at an Iowa intersection when a police officer's directions conflict with a traffic signal? → The police officer's directions take priority
- When parking downhill next to a curb, which direction should you turn your front wheels? → Toward the curb
- Which action is required before leaving your parked vehicle in Iowa? → Set the parking brake and remove the key
- A driver already in a traffic circle (roundabout) in Iowa has the right of way over: → Vehicles entering the roundabout
- What penalty does Iowa impose on a driver convicted of OWI a second time? → An aggravated misdemeanor with revocation for two years
- What effect does combining alcohol with prescription sedatives have on impairment? → The combination creates a synergistic effect that dramatically increases impairment
- What is the two-second rule used for in Iowa driving? → Minimum following distance behind the vehicle ahead
- When must Iowa drivers yield to pedestrians at intersections? → Whenever a pedestrian is in a crosswalk, with or without a signal
- On a one-way street, where may you park in Iowa? → On either the right or left side if permitted by signs
- What does Iowa require for vehicle mirrors? → Rearview mirror plus at least one exterior mirror
- What does Iowa require of a vehicle's horn? → It must be audible from at least 200 feet away
- Under Iowa law, what is required when transporting passengers in the bed of a pickup truck? → Children under 18 may not ride in an open truck bed on Iowa roads
- How should Iowa drivers adjust driving when sharing the road with motorcycles? → Allow motorcycles the full lane width and increase following distance
- What is Iowa's legal blood alcohol concentration (BAC) limit for drivers 21 and older? → 0.08%
- What is the recommended technique for steering through a curve in Iowa driving? → Slow before the curve and maintain steady speed through it
- What does a red circle with a line through it over a symbol mean on Iowa road signs? → That activity is prohibited
- Which of the following is true about Iowa's Move Over law? → Drivers must move over or slow down for stopped emergency and maintenance vehicles
- A yellow diamond-shaped sign is used to indicate what in Iowa? → Warning or hazard ahead
- What does Iowa's implied consent law mean for drivers? → Drivers automatically agree to chemical testing if suspected of OWI
- A green arrow displayed with a red traffic light in Iowa means what? → You may turn in the direction of the arrow
- When does an Iowa driver have the right of way over an emergency vehicle? → Never — emergency vehicles always have right of way
- What does a pennant-shaped yellow sign on the left side of the road mean in Iowa? → No passing zone
- How does marijuana affect driving ability in Iowa? → It impairs reaction time, tracking, and divided attention skills
- What should you do if your vehicle begins to skid on an icy Iowa road? → Steer into the skid and ease off the accelerator
- What should Iowa drivers do if a warning light appears on their dashboard? → Have the vehicle inspected by a mechanic as soon as possible
- After a first OWI conviction in Iowa, how long is the mandatory license revocation? → 180 days
- Where should you position your wheels when parking uphill with a curb present? → Away from the curb (left)
- Under Iowa's implied consent law, what happens if a driver refuses a chemical sobriety test? → Their license is automatically revoked for one year
- At what age can Iowa residents obtain a full, unrestricted driver's license? → 17
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