Home / Saskatchewan / Questions / Road Signs Road Signs Report Yellow diamond sign: A Regulatory B Warning — hazard ahead C Guide D Temporary Show Answer & Explanation Correct Answer: B. Warning — hazard ahead Curves, crossings, surfaces. Previous Next More Road Signs Questions White diamond on blue: Green sign with truck + arrow: Blue sign 'WEIGH STATION': Flashing 'POLICE CHECK AHEAD': Yellow diamond with clearance icon: Often Missed All Saskatchewan Questions Smart Practice Mock Exam Road Signs Guide