At what point during a snowfall is driving most dangerous?

Question

DentroTest · Accepted Answer

The correct answer is when the first flakes begin to fall. This is because, at the start of a snowfall, the frozen water mixes with dust, oil, and rubber residue accumulated on the asphalt, creating a thin, highly slippery layer of sludge. This surface is treacherous because it drastically reduces grip without the road looking snowy yet. When snow has already accumulated (incorrect option), although driving is difficult, the surface is more predictable, and traffic has usually slowed down or adapted.

At what point during a snowfall is driving most dangerous?

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