Practice question What does a NO U-TURN sign mean? You may not make a U-turn at that locationU-turns are required for all trafficOnly trucks may turn aroundThe road changes to one-way traffic Answer: A — You may not make a U-turn at that location The correct answer is shown above. Try the full quiz for additional practice. Practice more: Wisconsin Road Signs Practice Practice Questions - Wisconsin Class D Highway Signs, Signals, and Pavement Markings Practice Exam →