Iowa: Rules of the Road Questions

7 real, verified Iowa driving-test questions on rules of the road, each with the correct answer and a full explanation below. Want to practice these interactively instead? Start a Rules of the Road practice round.

1. What must an Iowa driver do when approaching a stopped vehicle with flashing hazard lights, under the Move Over or Slow Down Law?

Why: Iowa's Move Over or Slow Down Law requires a lane change when approaching a stopped emergency, tow, maintenance, or waste-collection vehicle with flashing lights, or any vehicle displaying hazard lights -- if a lane change isn't possible or safe, slow down and be prepared to stop.

2. What's the penalty for violating Iowa's Move Over or Slow Down Law?

Why: Violating Iowa's Move Over or Slow Down Law can suspend your license for up to one year.

3. What does Iowa's Steer It-Clear It law require after a no-injury crash?

Why: Iowa's Steer It-Clear It law requires moving an operable, safely-movable vehicle out of traffic lanes after a no-injury crash -- every minute a lane stays blocked on the interstate raises secondary-crash risk by roughly 2.8 percent.

4. How should an Iowa driver respond to an approaching emergency vehicle using its siren or lights?

Why: Approaching an emergency vehicle using its siren or lights, an Iowa driver must pull to the right edge of the road and stay at least 500 feet behind it -- but if already in an intersection (including a roundabout), drive through before pulling over.

5. How close can an Iowa driver stop behind a school bus with its stop arm extended?

Why: Approaching a school bus from the rear with red or amber lights flashing, an Iowa driver must stop no closer than 15 feet from the bus and stay stopped until the stop arm retracts.

6. What's the penalty for violating Iowa's school bus stop law?

Why: Violating Iowa's school bus stop law can suspend a driver's license for up to 180 days.

7. What does a reflective orange triangle on the back of a vehicle mean on an Iowa road?

Why: A reflective orange triangle on the rear of a vehicle in Iowa -- seen on road maintenance equipment, farm vehicles, or horse-drawn wagons -- means the vehicle is traveling 35 mph or less.

More Iowa Topics

Rules and requirements change — always confirm current details with Iowa DOTbefore your exam. Take the full Iowa practice test or check the Iowa cheat sheet.