Will remain slick after ice on other areas of the road has melted
Because they are exposed to less sunlight, shaded patches of road will stay cooler longer than other areas of the road. Due to the lack of direct sunlight, shady areas can remain icy and slippery after ice on other areas of the road has melted.
B Usually do not freeze
C Usually do not contain moisture, so they can’t freeze
D Should always be avoided