Home / Manitoba / Questions / Emergency Situations Emergency Situations Report Yellow or flashing sign 'EMERGENCY VEHICLES AHEAD': A Construction B Emergency vehicles — caution C Police D Ambulance only Show Answer & Explanation Correct Answer: B. Emergency vehicles — caution Hospital entrance / fire station posted. Next More Emergency Situations Questions Must report to police if damage exceeds: Emergency vehicle with siren approaching: Rear-wheel (oversteer) skid: Front-wheel (understeer) skid: Snow / ice on vehicle before driving: Often Missed All Manitoba Questions Smart Practice Mock Exam Road Signs Guide