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Sign I-23: Traffic signals
Danger sign

I-23

Traffic signals

Warns of traffic lights ahead.

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

Test yourself

What does the sign in the picture mean?

  1. Traffic signals
  2. Two-way traffic
  3. Queues likely
Show the answer

A. Traffic signals

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