Practice question What does a U-turn prohibited sign mean? U-turns are not permitted thereU-turns are allowed only for trucksU-turns are required at the next intersectionU-turns are allowed if the driver is lost Answer: A — U-turns are not permitted there The correct answer is shown above. Try the full quiz for additional practice. Practice more: Japan Semi-Medium Theory Practice Questions - Japan Driving Theory Test - Semi-Medium Vehicle Licence Exam →