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Sign I-13: Steep ascent
Danger sign

I-13

Steep ascent

Warns of a steep uphill gradient.

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

Test yourself

What does the sign in the picture mean?

  1. Steep ascent
  2. Road narrows on both sides
  3. Road narrows on the left
Show the answer

A. Steep ascent

Practise with testsAll signs
I-09Dangerous bend to the rightI-10Double bend, first to the leftI-11Double bend, first to the rightI-12Steep descentI-14Road narrows on both sidesI-16Road narrows on the leftI-15Road narrows on the rightI-40Opening bridge