Question When should you watch out for black ice? Answers When it is snowing When the temperature is below freezing and the road looks wet When the temperature is above freezing and there is snow on the ground Just after a rainstorm Explanation Black ice is a thin layer of ice that is clear enough for the road surface to be seen through it. Be alert to black ice any time the temperature is below freezing and the road surface looks wet. Take a FREE Practice Test Now This questions appears in the following tests: Delaware Knowledge Test Class A , Massachusetts Passenger ,