Practice question
If a traffic signal is dark because power is out, what is the safest and commonly required approach?
- Treat the intersection like an all-way stop unless an officer directs otherwise
- Drive through because no signal is showing
- Follow only the largest road
- Stop only if turning left
Answer: A — Treat the intersection like an all-way stop unless an officer directs otherwise
The correct answer is shown above. Try the full quiz for additional practice.
Practice more: Iowa Road Signs Practice Practice Questions - Iowa Driver's License Knowledge Test Road Signs, Signals, and Pavement Markings Practice Exam →