Within designated Slow Zones, a bespoke 30 km/h Slow Zone sign is used to clearly identify the start and end of the zone. The intention of the Slow Zone approach is that the speed limit applies throughout the area, reducing the need for excessive sign clutter within estates while ensuring motorists are aware of the lower speed environment upon entry.  A photo of a Slow Zone sign is attached to this item for illustration.

The Council keeps requests for additional speed limit signage under review and considers them having regard to national traffic sign regulations, road safety considerations and the characteristics of the particular estate. While reminder signage may be considered at specific locations where justified, the general approach is to provide clear gateway signage at the entrances to Slow Zones and to avoid unnecessary duplication of signs within residential areas.

As part of the South Dublin County Council Speed Limit Review 2026, the Council is identifying additional residential areas suitable for designation as 30 km/h Slow Zones. This will include a number of residential estates that have recently been taken in charge by the Council. Following adoption of the review and the making of the necessary Speed Limit Bye-Laws, appropriate 30 km/h Slow Zone signage will be erected at these locations.

The Council will continue to monitor traffic conditions within residential estates and will assess requests for additional traffic calming and speed management measures where evidence indicates a road safety benefit.