Home / Manitoba / Questions / Road Signs Road Signs Report A U-shape arrow with red slash: A U-turn allowed B No U-turn C No left turn D Do not enter Show Answer & Explanation Correct Answer: B. No U-turn Fine if ignored. Previous Next More Road Signs Questions White diamond on blue background: Red circle with truck slash: Sign reading 'SPEED ZONE ENDS': Blue sign with bus silhouette: Blue square with airplane: Often Missed All Manitoba Questions Smart Practice Mock Exam Road Signs Guide