Practice question What does a NO TURN ON RED sign require? Turn after stopping if no cars are comingOnly left turns are prohibitedDo not turn on red at that locationThe sign applies only to trucks Answer: C — Do not turn on red at that location The correct answer is shown above. Try the full quiz for additional practice. Practice more: ND Road Signs Practice Practice Questions - North Dakota Driver Knowledge Test Signs, Signals, and Road Markings Practice Exam →