Driving during the cold winter months can be very dangerous. As temperatures drop, rain and snow can quickly freeze, melt, and refreeze. This forms a thin layer of ice on the top of the ground and creates a slippery hazard for drivers. The thin layer of ice, called black ice, is exceptionally dangerous because it tends to blend in with the pavement and is hard to see on the ground. The car will be sliding across the black ice before the driver realizes what has happened