N11 road (Ireland)

N11 road (Ireland)

N11 national IE.png

N11 road
Route information
Part of E-01 euroroute IE.png
Length: 138 km (86 mi)

(bypassed routes in italics)

Road network

Roads in Ireland
Motorways • Primary • Secondary • Regional

The N11 road is a national primary road in Ireland, running for 140 km (87 mi) along the east side of Ireland from Dublin to Wexford.[1] It passes close to Bray, Greystones, Wicklow, Arklow and Gorey and also passes through Enniscorthy, amongst others. Beyond Wexford, the route continues to Rosslare as the N25. The road forms part of European route E01. As of 2009 the N11/M11 is of dual carriageway or motorway standard from Dublin as far as Rathnew in County Wicklow, with a further section of motorway bypassing Arklow and Gorey.

The road is a busy commuter route, being the only dual carriageway passing through the south eastern suburbs of Dublin, as well as close to the many commuter towns along the east coast as far south as Gorey. Summer Friday and Sunday evenings also see very heavy traffic as Dubliners decamp to, and return from, their many holiday home locations along the Co. Wicklow and Co. Wexford coastlines.


Route out of (and into) Dublin

The N11 commences where it meets the N4 on the north end of O'Connell Bridge in Dublin city centre. The route proceeds along D'Olier Street, College Street (and in the opposite direction, Westmoreland Street). The route continues around College Green and Grafton Street (and in the other direction, Suffolk Street, Church Lane and Dame Street). From here, the route continues out of the city via Nassau Street, Kildare Street, North side of St. Stephen's Green, Merrion Row, Baggot Street Lower, Pembroke Street Lower, Fitzwilliam Square West and Pembroke Street Upper. This route section in the other direction (into the city centre) runs via Leeson Street Lower (see thumbnail), East and North sides of St. Stephen's Green, and Dawson Street. The N11 runs in both directions along Leeson Street Lower after the junction with Pembroke Street. Having crossed the Grand Canal the route divides again for a portion of Leeson Street Upper, with outbound traffic proceeding via Sussex Road. The route continues via Morehampton Road and Donnybrook Road, through Donnybrook, with the route becoming dual carriageway at Donnybrook Church, which marks the beginning of the Stillorgan Road.

N11 northbound on Leeson Street

The Stillorgan Road (colloquially known as the Stillorgan dualler) brings the road past Belfield, where University College Dublin is located (and accessed from a grade-separated interchange on the dual carriageway - the first full interchange built in Ireland) and onwards past Mount Merrion towards Stillorgan village. North of Stillorgan, the N31 to Dun Laoghaire port commences, leaving the N11 to the east via Mount Merrion Avenue. Stillorgan village is bypassed to the east by the N11 dual carriageway, which proceeds southeast through Galloping Green, bypassing Leopardstown and Foxrock to the east also. Then the Cabinteely Bypass and part of the Bray Road bring the N11 via Loughlinstown and Shanganagh to north of Shankill, where the M11 motorway commences as the Bray/Shankill Bypass.

Part of the N11, from Leeson Street to the Loughlinstown roundabout, is provided with a Quality Bus Corridor (QBC) bus lane. Dublin Bus's flagship 46a route operates over this stretch of road as far as Foxrock Church. (A section of this QBC running contraflow on Leeson St can be see in the thumbnail, right).

Link with M50

M11 at Shankill

Along the Shankill Bypass, the M11 is joined by the Dublin's M50 motorway ring road, which terminates at a major junction along the M11, opened in June 2005 after many years of planning. This link allows motorists to drive on continuous motorway and dual carriageway all the way from Rathnew, Co. Wicklow to various destinations around the island via the M50 and the national roads it serves. These include Portlaoise via the N7/M7, Newry, County Down via the M1/N1/A1, north of Ashbourne, County Meath via the N2, Galway, County Galway via the M4/N4/M6, and Mullingar, County Westmeath via the N4/M4.

Traffic proceeding north on the M11 is given a choice to stay on the main carriageway (which becomes the M50), or take the exit at what is junction 17 on the M50, in order to stay on the M11, following the N11 into the city centre. Traffic on the N11 inside Dublin proper is expected to ease due to traffic being given other route options before entering the city.

Route through Wicklow and Wexford

West of Bray in County Wicklow, the motorway ends, with the N11 continuing south as dual carriageway through the Glen of the Downs. The upgrading of the road to dual carriageway through the Glen of the Downs was controversial, as the valley is a wooded area. Expanding the road resulted in the removal of some woodland. A campaign of protests, mainly by environmental activists, led to long delays in the construction of this section of road, but the work was eventually completed with a minimal disruption to the woodland. After Glen of the Downs the N11/M11 continues south to bypass Kilpedder, Newtownmountkennedy, Ashford and Rathnew. The dual carriageway/motorway ends a short distance past Rathnew. The route continues as single carriageway south towards Arklow. Arklow is bypassed by a dual-carriageway route opened in January 1999 and re-designated as motorway in August 2009.

N11 south of Newtownmountkennedy
N11 at Blackhill Road west of Wicklow
N11 Gorey Bypass
N11 Gorey Bypass redesignated M11 from 28/8/09

Just north of Inch, the N11 enters County Wexford. The route continues south, bypassing Gorey. This section was also re-designated as motorway from 28 August 2009. The former N11 road between Arklow and Gorey is now signposted as the R772 regional road. Clogh, Camolin, and Ferns lie along the route south towards Enniscorthy. At Ballynahallin, 5 km North of Enniscorthy, the N80 from Tullamore joins the N11. At Enniscorthy itself, the N30 from New Ross joins the N11. South of here, the N11 passes through Oilgate, County Wexford, continuing south through Ferrycarrig, and crossing the River Slaney to terminate on a bypass west of Wexford where it meets the N25 from Waterford at the Belmont roundabout.


The N11 has been gradually upgraded from single to dual carriageway standard from the 1950s to the present, with improvements taking place at an accelerated pace in recent years. The first short stretch of dual carriageway on the road, and indeed the first stretch of dual carriageway anywhere in Ireland, was built in the 1950s between the Stillorgan Road/Newtownpark Avenue junction and Foxrock Church (this stretch was substantially widened around the turn of the millennium). Subsequent short stretches of dual carriageway, at Loughlinstown, between Bray and Kilpedder, and from Donnybrook to Stillorgan were constructed during the early to mid 1970s, this phase ending with the opening of the Stillorgan bypass in October 1979. Since that time, these sections have been joined up through further improvements.

Timeline (from 1970)

  • 1970: Kilcroney dual carriageway (with at grade junctions) from Fasseroe to Kilmacanogue, west of Bray. 3 km.
  • 1972: Kilpedder bypass; dual carriageway (with at grade junctions) but including one road underpass, the first "flyover" in the Republic of Ireland. 2 km.
  • 1974: Belfield flyover; a stretch of six-lane dual carriageway with a GSJ at the entrance to UCD, Belfield. 2 km
  • 1976: Extensions of the Belfield section in both directions with six-lane dc, at grade, with multiple residential access points. 2 km.
  • 1977: Stillorgan bypass. At grade 4 lane dc with hard shoulder from Foster Ave. to White's Cross, replacing earlier 1950s dc at Galloping Green. 3 km.
  • 1984: Cabinteely and Cornelscourt bypass. At grade 4 lane dc with hard shoulder. 2 km.
  • 1986: Old 1950s dc replaced by at grade 4 lane dc with hard shoulder between White's cross and the Cabinteely bypass. 1 km.
  • 1990: Newtownmountkennedy bypass. Four lane dc with hard shoulders and GSJ. 5 km.
  • 1991: M11 Bray-Shankill bypass. Motorway from the 1960s Loughlinstown dc to the Kilcroney (1970) dc. 5 km.
  • 1993: Fasseroe Bridge; grade separated junction created at the end of the M11/start of Kilcroney dc.
  • 1995: Ram Bridge; grade separated junction created linking the N11 to the southern end of Bray.
  • 1999: Arklow bypass; fully grade separated dc (re-classified as motorway in 2009). 10 km.
  • 2003: Glen of the Downs dc joining the dc north of Kilmacanoge to the 1972 Kilpedder bypass. 5 km.
  • 2004: New dc replaced the 1960s Loughlinstown dual carriageway and included a GSJ with the R118. 3 km.
  • 2004: Ashford/Rathnew bypass; fully grade separated dc (partially re-classified as motorway in 2009). 14 km.
  • 2007: Gorey bypass; fully grade separated dc (re-classified as motorway in 2009). 22 km.
  • 2008: Grade separated junction created on the Kilpedder bypass (1972) to link with the new R774 dc to Greystones.
  • Future: A separate project is in planning to provide 14 km of dual carriageway from Rathnew to Arklow. This project has been approved by An Bord Pleanala and the tender process for the construction phase has commenced.[2] Once completed, dual carriageway or motorway would extend from Donnybrook near central Dublin to south of Clogh in County Wexford. No road tolls are planned. Land acquisition and site fencing is completed and it is anticipated construction will begin on this section in early 2011.

A further project is in planning to provide a 20 km dual carriageway bypass around Enniscorthy and also connecting the N11 to the N30. Currently, the passage of traffic through the town is restricted by the narrow streets and the two bridges which connect the town across the River Slaney. The village of Oilgate may yet become a bottleneck, as there is a traffic calming system in operation.

On 30 September 2008, the Department of Transport proposed that the dual carriageway sections from Ashford to south of Rathnew, and from north of Arklow to south of Gorey, be reclassified as motorway under the Roads Act 2007.[3] The Statutory Instrument for these reclassifications was passed on 2 July 2009 and came into effect on 28 August 2009. There are now three sections of M11 motorway forming part of the N11 route.

It is proposed that the Enniscorthy bypass will be a motorway.[4] Construction is expected to begin in 2011.

Initial planning is underway to bypass Oilgate by building a new N11 from the end of the Enniscorthy bypass to the N25 near Wexford Town. A new section of N25 will complete the up-grade of Euro-route 01 between the M50 and Rosslare Harbour.[5]

Exit list

M11 Motorway
Northbound exits Junction Southbound exits
Road continues as N11 for Dublin and Dun Laoghaire Start of motorway
Dublin Airport, Dublin Port and NORTHBOUND M50 Motorway Exit 4 Ireland.svg (M50 Motorway Exit 17 Ireland.PNG ) No exit
Bray North R761 Motorway Exit 5 Ireland.PNG Bray North R761, Shankill R119
N11 Dual Carriageway
Bray R761, Fassaroe Motorway Exit 6 Ireland.PNG Bray R761, Fassaroe
Bray South, Greystones R767, Enniskerry R117 Motorway Exit 7 Ireland.PNG Bray South, Greystones R767, Enniskerry
Roundwood, Glendalough R755, Glencormick Motorway Exit 8 Ireland.PNG Roundwood, Glendalough R755
Glenview Hotel Motorway Exit 9 Ireland.PNG Glenview Hotel
Drummin, Delgany R762 Motorway Exit 10 Ireland.PNG[6] Delgany R762, Drummin
Kilpedder L5046, Greystones, Kilcoole R774 Motorway Exit 11 Ireland.PNG[6] Greystones, Kilcoole, Kilpedder R774
Newtownmountkennedy, Glendalough R772 Motorway Exit 12 Ireland.PNG Kilquade L1042, Newtownmountkennedy, Glendalough R772
Newtownmountkennedy, Newcastle R772 Motorway Exit 13 Ireland.PNG Newtownmountkennedy, Newcastle R772
M11 motorway
Coyne's Cross, Cullenmore R772 Motorway Exit 14 Ireland.PNG Coyne's Cross, Cullenmore R772
No exit Motorway Exit 15 Ireland.PNG Ashford R772
Ashford R772, Rathnew, Wicklow (North) R750 Motorway Exit 16 Ireland.PNG Rathnew, Rathdrum, Wicklow (North) R750
Wicklow, Rathnew R751 Motorway Exit 17 Ireland.PNG Wicklow, Rathnew R751
N11 Single Carriageway
Wicklow, Rathdrum R751 Motorway Exit 18 Ireland.PNG (Planned)[7] Wicklow, Rathdrum R751
Brittas Bay Motorway Exit 19 Ireland.PNG (Planned) [7] Brittas Bay
M11 motorway
Arklow North R750 Motorway Exit 20 Ireland.PNG Arklow North R750
Arklow South R772 Motorway Exit 21 Ireland.PNG Arklow South R772
Gorey Motorway Exit 22 Ireland.PNG Gorey
Gorey, Courtown, Ballycanew R741-R742 Motorway Exit 23 Ireland.PNG Gorey, Courtown, Ballycanew R741-R742
Start of motorway Road continues as single carriageway until Wexford.

See also


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