Road Signs & Speed limits

Type of Road and signage colouring	Road Numbering Range	Default speed limit*
	M1-M99 [Motorways]
	N1-N99 R001-R999	N                     R Divided highways have no specific limit. The default limit is either 80 km/h if it is an R route or 100 km/h if an N route
	N1-N99 [Single or dual carriageway highways]
	R001-R999 & "unnumbered" roads outside urban areas
	Urban Areas

 

Special Speed Limits

	Selected Pedestrian and residential zones
	Selected suburban and other routes

 

The speed limit for vehicles towing trailers, caravans, etc  is 80 km/h (or less where signposted).

 

The speed limit for trucks (over 3.5 tonnes)  and single deck buses is 80 km/h (or less where signposted).   The speed limit for double deck buses is 65 km/h.

 

Road Signs

Below we have illustrated some of the road signs you will encounter while driving around Ireland.
 

Road Narrows	Right Turn Ahead	Bridge Ahead
4 Road Junction	Speed Limit 30 kph	No Parking
Roundabout	Stop Sign	Traffic Lights
Dangerous Bends	Roads Merging	End of Speed Limit Zone