Traffic Signs

What does the S-12b road sign mean?

Reviewed on 26 Jul 2026

Question image: What does the S-12b road sign mean?
  • A Shared-use path for pedestrians, cycles and personal mobility vehicles
  • B Lay-by in tunnels
  • C Lay-by in tunnels with emergency telephone
  • ✓ One-way section

Why this is the correct answer

Indicates that on the section of carriageway continuing in the direction of the arrow, vehicles must travel in the direction shown and that traffic in the opposite direction is prohibited.

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