There are 4 speed limits for traffic in Dublin City. Speeds are noted in Kilometres per Hour (km/h).
New Speed Limit Bye-Laws for Dublin City.
New speed limits recently approved by the City Council will come into operation on 31st January 2010. The main feature of the new speed limits is the expansion of the city centre 30kph special speed limit zone.
Please click here for full report on the new limits and also for the Bye-Laws and accompanying map.
Explore the speed limits that apply in your area
The enforcement of speed limits is a matter for An Garda Síochána.
Speed limits are regulated by city bye-laws
If you wish to query the speed limit for a road near you, contact us the address below.
Areas where the 30 km/h speed limit is in force
Roads in the Marino Area
- Brian Road
- Brian Terrace
- Brian Avenue
- Carlton Road
- Casino Road
- Croydon Green
- Croydon Gardens
- Croydon Park Avenue
- Croydon Terrace
- Fairview Avenue Upper
- Fairview Avenue Lower
- Fairview Green
- Fairview Terrace
- Haverty Road
- Marino Green
- Marino Mart (part of, from Haverty Road south to Fairview)
- Marino Park
- Merville Avenue
- Morrogh Terrace
- Philipsburgh Terrace
- Shelmartin Avenue
- Shelmartin Terrace
- St. Aidan’s Park Avenue
- St. Aidan’s Park
- St. Declan Road
- St. Declan Terrace
- St. Joseph’s Terrace
- Torlogh Parade
- Windsor Avenue
- Windsor Lane
- Windsor Villas
Roads in the Ballsbridge Area
- Pembroke Lane.
- Wellington Lane.
- Heytesbury Lane
- Raglan Lane.
- Waterloo Lane
Roads in the City Centre Area
Roads in a city centre zone – Bounded by King Street North, Bolton Street, Dorset Street Upper, Dorset Street Lower, Gardiner Street Upper, Mountjoy Square West, Gardiner Street Middle, Gardiner Street Lower, Beresford Place,Butt Bridge, Tara Street, Pearse Street, College Street, College Green, Grafton Street, Nassau Street, Leinster Street South , Clare Street, Merrion Square West, Merrion Street Upper, Merrion Row, St. Stephen’s Green North, St. Stephen’s Green West, Cuffe Street, Kevin Street Lower,Bride Street, Bride Road, Nicholas Street, High Street, Bridge Street Upper, Bridge Street Lower, Father Mathew Bridge, Church Street excluding these boundary roads with the exception of Pearse Street ( between Tara Street and College Street), College Street, College Green, Grafton Street, Nassau Street, St. Stephen’s Green West, St. Stephen’s North( between Dawson Street and Grafton Street)
Roads in the Ringsend Area
- Aikenhead Terrace
- Celestine Avenue
- Dermot O’Hurley Avenue
- Doris Street
- Fitzwilliam Quay
- Gerald Street
- Gordon Street
- Hastings Street
- Hope Street
- Howard Street
- Joy Street
- Magdalen Terrace
- Ormeau Street
- Oliver Plunkett Avenue
- Philomena Terrace
- Penrose Street
- Somerset Street
- South Dock Place
- South Dock Street
- Rosary Terrace
- Veronica Terrace
Areas where the 60 km/h speed limit is in force
- James Larkin Road.
- Howth Road between a point 60 metres east of its junction with Brookwood Avenue and a point 46 metres south-west of its junction with Watermill Road.
- Howth Road between a point 32 metres east of its junction with St. Assam’s Road East and its junction with Kilbarrack Road.
- Oscar Traynor Road between a point 320 metres east of its junction with Coolock Lane and a point 74 metres north-west of its junction with the Malahide Road.
- Finglas Road (National Road N2) from a point 90 metres west of its junction with Tower View Cottages (adj Glasnevin Cemetry) and the Dublin City boundary.
- Kylemore Road between its junction with the Naas Road and a point 46 metres south of Kylemore Road railway bridge.
- Walkinstown Avenue between its junction with the Naas Road and its junction with Long Mile Road.
- Long Mile Road between the Dublin City boundary and a point 46 metres west of its junction with Walkinstown Parade.
- The Stillorgan Road (National Road N11) between the Dublin City boundary and a point 180 metres south of its junction with Anglesea Road.
- The Chapelizod Road between a point 100 metres west of its junction with Phoenix Park access at Islandbridge Gate and a point 100 metres east of its junction with Phoenix Park access at Chapelizod Gate.
- Griffith Avenue Extension between a point 100 metres west of its junction with Ballymun Road and a point 100 metres east of its junction with Ballygall Road East.
- Con Colbert Road (National Road N4) from Con Colbert Road to a point 150 metres west of its junction with South Circular Road
- The Malahide Road between a point 50 metres north-east of its junction with the roundabout at Artane to a point 50 metres south west of its junction with the N32.
- N32 Clare Hall Road from the M32 motorway to a point 50 metres west of its junction with Malahide Road
- N32 Clare Hall Road from a point 50 metres east of its junction with Malahide Road to its junction with Grange Road.
- Malahide Road from a point 50 metres north of its junction with the N32 to the Dublin City boundary.
- M32 motorway from its junction with N32 to its junction with the M1 motorway.
- St. John’s Road West (National Road N4) from its junction with Military Road to its junction with South Circular Road.
- Naas Road from the City Boundary to its junction with Kylemore Road.
- Grange Road from the City Boundary to its junction with Hole in the Wall Road.
- Dublin Road (Kilbarrack).
- M1 northbound from the north face of the east abutment of the Shantalla Bridge to a point 30m north of the nose of the diverging lane (exit ramp) at the Coolock Lane Interchange.
- The northbound diverging lane (exit ramp) of the M1 at the Coolock Lane Interchange from its’ nose for a distance of 80m northwards.
- M1 southbound from a point 50m north of the nose of the converging lane (entry ramp) at the Coolock Lane Interchange to the north face of the east abutment of the Shantalla Bridge.
- The southbound converging lane (entry ramp) at the Coolock Lane Interchange from a point 10m south of the roundabout to its’ nose at the M1 southbound.
Areas where the 80 km/h speed limit is in force
- Chapelizod Bypass (National Road N4) from the county boundary to its junction with Con Colbert Road.
- M1 northbound, from a point 30m north of the nose of the diverging lane (exit ramp) at the Coolock Lane Interchange to the City Boundary.
Sometimes the speed limit on the following 80 km/h roads may drop to 50 km/h
In the event of an accident, road maintenance works or traffic congestion, the speed limit on the following roads may drop to 50 km/h. Where such a change is necessary, this will be indicated on an electronic message sign.
- M1 motorway, southbound, between the City Boundary and the nose of the converging lane (on ramp) at the Coolock Lane Interchange.
- The Dublin Port Tunnel, Southbound.
- The Dublin Port Tunnel, Northbound.