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How can braking distance on ice change compared with a dry road?

Correct answer

It can increase greatly, with no single factor for all conditions.

It can increase greatly because grip is reduced. The increase depends on speed, tyres and the actual ice and road conditions; there is no single multiplier or universal tenfold maximum. Reduce speed in advance, increase separation and avoid abrupt manoeuvres. Do not continue if conditions prevent safe travel.

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  • It can increase greatly, with no single factor for all conditions.

  • It always increases to exactly twice the distance.

  • It can never exceed the braking distance on a dry road.

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