Home / Manitoba / Questions / Road Signs Road Signs Report A left arrow with red slash: A Left turn allowed B No left turn C Must turn left D Detour Show Answer & Explanation Correct Answer: B. No left turn Often posted at busy intersections during rush hour. Previous Next More Road Signs Questions Red circle with truck slash: Sign reading 'SPEED ZONE ENDS': Sign reading 'WIDTH 3 m': Sign reading 'HEIGHT LIMIT 4 m': Sign reading 'LOAD LIMIT 10 T': Often Missed All Manitoba Questions Smart Practice Mock Exam Road Signs Guide