The point is to learn when & where black ice might be, and slow your speed before you get to that spot. And more generally, drive at speeds appropriate for cond

The point is to learn when & where black ice might be, and slow your speed before you get to that spot. And more generally, drive at speeds appropriate for conditions, even outside of black ice. Black ice tends to have pretty specific weather conditions and locations (bridges, valley shapes, etc); the newspaper headline shows up at the same time of the year, every year, and sometimes mentions the same location.