highways are most slippery:\njust when it starts to rain after a dry spell\nduring a light rain\nduring a…

highways are most slippery:\njust when it starts to rain after a dry spell\nduring a light rain\nduring a heavy rainstorm

highways are most slippery:\njust when it starts to rain after a dry spell\nduring a light rain\nduring a heavy rainstorm

Answer

Brief Explanations:

When it starts to rain after a dry spell, oil and dirt on the road surface mix with the rain - water, creating a thin, slippery layer. During light or heavy rain, the water can wash away some of this mixture or create more hydro - planing conditions which are different from the initial slippery situation.

Answer:

Just when it starts to rain after a dry spell