Iowa Driver's License Test Traffic Signs and Signals 1 — Questions and Answers
Question 1: What does an octagonal red sign always mean in Iowa?
- Yield
- Stop (Correct answer)
- Do not enter
- Speed limit ahead
Correct answer: Stop
An octagonal red sign is a stop sign, requiring drivers to come to a complete stop.
Question 2: A yellow diamond-shaped sign is used to indicate what in Iowa?
- Construction zones
- Warning or hazard ahead (Correct answer)
- Speed limits
- School zones
Correct answer: Warning or hazard ahead
Yellow diamond signs warn drivers of potential hazards or changing road conditions ahead.
Question 3: What does a white rectangular sign with black letters indicate?
- Warning
- Regulatory rules such as speed limits (Correct answer)
- Guide information
- Service areas
Correct answer: Regulatory rules such as speed limits
White rectangular signs convey regulatory information that drivers must obey, such as speed limits.
Question 4: What should you do when approaching a flashing red traffic light in Iowa?
- Slow down and proceed
- Stop and yield before proceeding (Correct answer)
- Continue at current speed
- Yield only if traffic is present
Correct answer: Stop and yield before proceeding
A flashing red light must be treated like a stop sign — come to a full stop then proceed when safe.
Question 5: A green arrow displayed with a red traffic light in Iowa means what?
- Stop, then turn in the arrow direction
- Yield to traffic then turn
- You may turn in the direction of the arrow (Correct answer)
- Pedestrians have the right of way
Correct answer: You may turn in the direction of the arrow
A green arrow means you may proceed in that direction after yielding to any traffic or pedestrians already in the intersection.
Question 6: What color are guide signs that provide travel directions and distances in Iowa?
- Yellow
- White
- Green (Correct answer)
- Blue
Correct answer: Green
Green signs provide directional and distance information to help drivers navigate to destinations.
What does an octagonal red sign always mean in Iowa?