Home / Manitoba / Questions / Road Signs Road Signs Report Yellow diamond with sharp left 90° arrow: A Curve B Sharp turn left (≥90°) C Merge D One-way Show Answer & Explanation Correct Answer: B. Sharp turn left (≥90°) Often advisory speed posted. Previous Next More Road Signs Questions Red circle with truck slash: Sign reading 'SPEED ZONE ENDS': Yellow diamond with long vehicle / bump: Yellow school bus sign: Blue sign with bus silhouette: Often Missed All Manitoba Questions Smart Practice Mock Exam Road Signs Guide