Practice question A steady yellow traffic light or arrow means: The signal is about to turn redYou must speed up to clear the intersectionYou have a protected turnThe signal is not working Answer: A — The signal is about to turn red The correct answer is shown above. Try the full quiz for additional practice. Practice more: Minnesota Road Signs Practice Practice Questions - Minnesota DVS Class D Knowledge Test Road Signs, Signals, and Pavement Markings Practice Exam →