regulatory
Keep left
You must pass to the left of the obstruction or island.
What it means in practice
Blue circular signs with white arrows are mandatory, not advisory. Failure to comply with a keep left or keep right sign carries a 60 euro fixed charge and 1 penalty point.
Description
A blue circular sign with a white arrow curving to the left.
mandatoryislandlane
Sources
- Rules of the Road · Road Safety Authority · Edition reflecting road traffic law as at 1 March 2025
Last checked 2026-09-08