Back to Iowa
Iowa Class C Knowledge Test Practice
Full test preview Question 1 of 25
0 answered 25 remaining
Passing target: 20/25 correct (TLA practice target)
Warning, Construction & Information SignsStandalone practice
A yellow diamond contains a black symbol showing a road condition. What does the sign generally communicate?
Correct answer: A special hazard is ahead, so slow down or use extra caution.
Why
Diamond-shaped warnings alert drivers to special conditions so they can slow or maneuver cautiously.
Verified against Iowa Driver's License Manual · Standard Shapes · p. 7
Report a question issueContinue learning
Related Iowa questions
The warning sign shows a side roadway joining while continuing as a separate lane. What should you expect?A blue highway guide sign displays a fuel or hospital symbol. What type of information does it normally provide?What does a brown road guide sign normally help you find?You see a yellow warning sign with vertical arrows and a height measurement. You are driving a tall vehicle. What should you do?What does the white crossbuck at a railroad crossing identify?A yellow diamond shows a black arrow curving to the right. What should the driver prepare to do?