Iowa Driver's License Test Traffic Signs and Signals

Question 1

What does an octagonal red sign always mean in Iowa?

Accepted Answer

Stop

Answer

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?

Accepted Answer

Warning or hazard ahead

Answer

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?

Accepted Answer

Regulatory rules such as speed limits

Answer

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?

Accepted Answer

Stop and yield before proceeding

Answer

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?

Accepted Answer

You may turn in the direction of the arrow

Answer

A green arrow means you may proceed in that direction after yielding to any traffic or pedestrians already in the intersection.

Iowa Driver's License Test Practice Test