Practice question What does a red X over a lane mean? Do not drive in that laneUse that lane for passing onlyThe lane is reserved for left turnsThe lane is open to all traffic Answer: A — Do not drive in that lane The correct answer is shown above. Try the full quiz for additional practice. Practice more: Florida Road Signs Practice Practice Questions - Florida Class E Knowledge Exam Road Signs, Signals, and Pavement Markings Practice Exam →