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A yellow diamond sign showing an extra lane beginning.
warning

Start of a passing lane

An additional lane begins, allowing safe overtaking.

What it means in practice

Passing lanes and climbing lanes alternate on 2-plus-1 roads roughly every 2 kilometres. Complete your overtake in good time before the lane ends.

Description

A yellow diamond sign showing an extra lane beginning.

overtakinglane2plus1

Sources

  • Rules of the Road · Road Safety Authority · Edition reflecting road traffic law as at 1 March 2025
    Last checked 2026-09-08

Other warning signs

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Independent learning application. Not affiliated with the Road Safety Authority or the official Driver Theory Test service. TheoryLane questions are written by TheoryLane from published Irish road-rule sources.