Home / Manitoba / Questions / Road Signs Road Signs Report Yellow diamond with tipping truck on curve: A Sharp curve B Truck rollover risk (severe curve) C Steep hill D Weight limit Show Answer & Explanation Correct Answer: B. Truck rollover risk (severe curve) Advisory lower speed for trucks. Previous Next More Road Signs Questions Green sign with truck and arrow: Sign reading 'WIDTH 3 m': Sign reading 'HEIGHT LIMIT 4 m': Sign reading 'LOAD LIMIT 10 T': Yellow diamond with long vehicle / bump: Often Missed All Manitoba Questions Smart Practice Mock Exam Road Signs Guide