IA DMV Iowa Traffic Signs — Questions and Answers
Question 1: What does a red octagonal sign mean in Iowa?
- Stop completely before proceeding (Correct answer)
- Yield to traffic
- Slow down
- No entry
Correct 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.
Question 2: What does a yellow pennant-shaped sign on the left side of a road indicate in Iowa?
- No passing zone (Correct answer)
- School zone
- Construction zone
- Merge area
Correct 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.
Question 3: In Iowa, what does a green arrow traffic signal mean?
- You may proceed in the direction of the arrow after yielding to traffic and pedestrians already in the intersection (Correct answer)
- You have absolute right of way in that direction
- Oncoming traffic is stopped
- Pedestrians may not cross
Correct 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.
Question 4: What does a white diamond symbol painted on the road indicate in Iowa?
- Reserved lane for high-occupancy vehicles, buses, or bicycles (Correct answer)
- Speed bump ahead
- Railroad crossing
- Pedestrian crossing
Correct 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.
Question 5: What does a circular yellow sign with a black X and RR mean?
- Railroad crossing warning ahead (Correct answer)
- Road repair ahead
- Roundabout ahead
- Rest area ahead
Correct 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.
Question 6: In Iowa, what does a flashing yellow traffic signal mean?
- Proceed with caution (Correct answer)
- Stop and wait for green
- Yield to all traffic
- The signal is broken
Correct answer: Proceed with caution
A flashing yellow signal means proceed with caution. Drivers should slow down and be alert for cross traffic and pedestrians.
IA DMV Iowa Traffic Signs
What does a red octagonal sign mean in Iowa?