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Iowa Traffic Signs Flashcards

6 cards from real IA DMV practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Iowa Traffic Signs flashcards as text

  1. What does a red octagonal sign mean in Iowa?

    Answer: Stop completely before proceeding

    An octagonal red sign is a stop sign, requiring drivers to come to a complete stop before proceeding when safe.

  2. What does a yellow pennant-shaped sign on the left side of a road indicate in Iowa?

    Answer: No passing zone

    A yellow pennant-shaped sign marks the beginning of a no passing zone and is placed on the left side of the road.

  3. In Iowa, what does a green arrow traffic signal mean?

    Answer: You may proceed in the direction of the arrow after yielding to traffic and pedestrians already in the intersection

    A green arrow indicates you may proceed in the direction of the arrow, but you must still yield to vehicles and pedestrians already lawfully in the intersection.

  4. What does a white diamond symbol painted on the road indicate in Iowa?

    Answer: Reserved lane for high-occupancy vehicles, buses, or bicycles

    A white diamond pavement marking indicates a reserved lane, typically for HOV vehicles, transit buses, or bicycles as specified by nearby signage.

  5. What does a circular yellow sign with a black X and RR mean?

    Answer: Railroad crossing warning ahead

    This advance warning sign alerts drivers that a railroad crossing is ahead, giving them time to prepare to stop if a train is approaching.

  6. In Iowa, what does a flashing yellow traffic signal mean?

    Answer: Proceed with caution

    A flashing yellow signal means proceed with caution. Drivers should slow down and be alert for cross traffic and pedestrians.

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Sources & references

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  1. iowadot.gov — Retake policy, passing score, fees, test delivery, eligibility · verified Oct 2026