Correct answer
Ice, compared with compacted snow that has not frozen.
Ice usually provides less grip than compacted snow that has not frozen; both demand great care. Actual grip also depends on tyres, temperature and the surface’s specific condition. Reduce and adapt speed, increase following distance and avoid abrupt inputs. Do not always maintain constant speed or continue merely to preserve momentum when doing so is unsafe.
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Wet asphalt, compared with ice.
Ice, compared with compacted snow that has not frozen.
Completely dry asphalt, compared with ice.
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