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Sign I-20: Slippery road
Danger sign

I-20

Slippery road

Warns of a road surface where there is a risk of skidding.

Annex I · Triangle with a red border. Source: Administrative Instruction MESPI 10/2025.

Test yourself

What does the sign in the picture mean?

  1. Loose chippings
  2. Falling rocks
  3. Slippery road
Show the answer

C. Slippery road

Practise with testsAll signs
I-13Steep ascentI-14Road narrows on both sidesI-16Road narrows on the leftI-15Road narrows on the rightI-40Opening bridgeI-41Quayside or riverbankI-19Uneven roadI-17Hump in the road