N7 road (Ireland)

N7 road (Ireland)

N7 national IE.png

N7 road
Route information
Part of E-20 euroroute IE.png
Length: 205 km (127 mi)

(bypassed routes in italics)

Road network

Roads in Ireland
Motorways • Primary • Secondary • Regional

The N7 road is a national primary road in Ireland, connecting Limerick and Dublin. The majority of the route (between Naas and Limerick) is motorway standard and is designated as the M7 motorway. At the Rosbrien interchange in Limerick the route continues as the N18 dual carriage/motorway to Shannon and Ennis. The road passes through the midlands of Ireland, and acts as a trunk route out of Dublin for the N8/M8 and N9/M9 roads to Cork and Waterford respectively. It forms part of European route E20.



N7 - Naas Road

Naas Road section of the N7 after upgrading.

From the M50, the N7 passes south of Clondalkin leaving the city as part of the Naas Road. (The Naas Road begins at the Grand Canal as a regional road (R810), a continuation of the Tyrconnell Road. It continues 3.4 km southwest to the M50 motorway, at the Red Cow interchange, where it becomes the N7.) A 15 km (9.3 mi) section of the N7 south of the M50 junction was upgraded to three lanes of dual-carriageway (i.e. an extra lane on each side), with work having commenced on the 4 January 2005 and concluded on 14 August 2006 (thumbnail left); having been originally dualled between 1963 and 1968. This section of the N7 bypasses Kill and Johnstown in County Kildare. As part of the upgrade, grade-separated interchanges were constructed. The old junctions consisted of traffic lights with a break in the dual-carriageway median. The three lane section ends at junction 9 (Naas, Sallins) with a left hand lane-drop/lane-gain for traffic leaving/entering here. The section of the N7 between Naas and Dublin is the second busiest road in the country.

This part of the route is the only section that remains designated as N7 as the road is not motorway standard. Left-in/left-out access is provided to minor roads and to homes, farms and businesses along this section.

New signage erected as part of this scheme includes junction numbers (previously the only numbered N7 junctions were some of the interchanges on the M7 motorway).

M7 - Naas to Limerick

M7 motorway IE.png

M7 motorway
N15 road N16 road Sligo N17 road N26 road N5 road N4 road N5 road Longford Westport N17 road Galway M6 motorway N18 road M18 motorway Limerick M7 motorway M20 motorway N24 road N21 road Tralee N20 road M8 motorway N22 road Cork Londonderry/Derry Londonderry/Derry N13 road N14 road N13 road N15 road Armagh Belfast Belfast N2 road N3 road N4 road M1 motorway M3 motorway M4 motorway Dublin N7 road M7 motorway N11 road M9 motorway Kilkenny M11 motorway N10 road N11 road N24 road M9 motorway N30 road N25 road N25 road Waterford N25 roadM7 motorway (Ireland).png
About this image

Mano cursor.svg Clickable image
Route information
Part of N7 national IE.pngE-20 euroroute IE.png
Length: 112 km (70 mi)
Planned length: 185 km (115 mi)
History: Opened in 1983 (Naas bypass, J7-J8)
1993 (Newbridge Bypass, J8-J10)
1997 (Portlaoise bypass)
2003 (Kildare bypass)
2004 (Monasterevin bypass)
2004 (Limerick Southern Ring Road - Phase I)
2010 (Nenagh to Limerick), (Portlaoise to Borris-in-Ossory), (Castletown to Nenagh)
Major junctions
From: (N7 from Dublin) Naas
  Motorway Exit 11 Ireland.PNG M9 reduced motorway IE.png
Motorway Exit 19 Ireland.PNG M8 reduced motorway IE.png
Motorway Exit 16 Ireland.PNGN80 National IE.png
Motorway Exit 17 Ireland.PNG N77 National IE.png
Motorway Exit 22 Ireland.PNGN62 National IE.png
Motorway Exit 26 Ireland.PNGN52 national.IE.png
Motorway Exit 29 Ireland.PNGN24 national IE.png
Motorway Exit 30 Ireland.PNGN18 national IE.png
Motorway Exit 30 Ireland.PNG M20 reduced motorway IE.png
To: Rosbrien Interchange Limerick
Newbridge, Monasterevin, Portlaoise (M8 to Cork), Roscrea, Nenagh
Road network

Roads in Ireland
Motorways • Primary • Secondary • Regional

N7 Junction 13 westbound on the M7 near Kildare.

From Naas motorway restrictions are enforced and the route is designated as the M7 motorway. The route continues in a south west direction bypassing the towns of Naas, Newbridge, Kildare, Monasterevin and Portlaoise. The M9 to Waterford diverges from the route at junction 11. South of Portlaoise the M8 diverges from the M7 to Cork and the south at junction 19 with the M7 continuing south westwards bypassing the towns of Mountrath, Borris-in-Ossory, Castletown (Co. Laois), Roscrea, Moneygall, Toomevara, Nenagh and Birdhill. From Birdhill the route continues towards Limerick city where it forms part of the Limerick Southern Ring Road bypassing Annacotty and Castletroy. The route terminates at the Rosbrien Interchange to the south of Limerick City. The road continues as the N18 into county Clare.

M7 - Limerick Southern Ring Road

N7 Limerick Southern Ring Phase 1 - J29

The N7 route officially follows the Southern Ring Road (also upgraded to motorway status) around Limerick City to meet the M20 and the N18. The Southern Ring Road continues as the N18. As of 2006, most signage in Limerick City has not been upgraded to reflect this, and the R445 (old N7 route through the city) [1] is mostly still signposted as the N7. The R445 is properly signposted from the N7 at the beginning of the Southern Ring Road.

Construction on this project was divided into 2 phases; Phase 1 and Phase 2. Phase 1 of the scheme consists of approximately 10 km (6.2 mi) of dual carriageway, and was completed in May 2004, and joins the N20 road to Cork and the N21 road to Kerry. Two grade separated junctions allow access to Limerick city at Annacotty via the R445 and at Ballysimon via the N24. The N20 Carew park link road was closed permanently to inbound traffic from both the M7 and M20 in June 2010 to facilitate phase 2 of the Limerick southern ring road project.

Construction started on Phase 2 of the scheme on 26 October 2006, when the then Minister for Transport, Martin Cullen, turned the sod on the project. Phase 2 consists of 10 km (6.2 mi) of dual carriageway, 11 bridges, 6 underpasses, 4 interchanges and 900m (½ mile) of tunnel under the River Shannon. The scheme links up to the N18 Ennis Road. The project was completed and opened to traffic on the 27 July 2010 – 2 months ahead of schedule. The scheme opened as part of the N18 Galway to Limerick route meaning that the N7/M7 Dublin to Limerick route, the M20/N20 Limerick to Cork route and the M18/N18 Galway to Limerick route terminate at the same junction at Rosbrien. 2 new interchanges were built at the Dock road and Clonmacken to allow access to the city. It road is tolled.

The tunnel project is a PPP (Public Private Partnership), and will cost roughly €660m. The cost to the actual government will be around €360m.


Originally the N7 was a single carriage-way route between Dublin and Limerick and passed through the main towns on the route that are now bypassed. The old N7 route now bypassed by the M7 is currently designated as the R445 and is an alternative route between Limerick and Dublin.

The N7 is the only one of the inter-urban routes out of Dublin which does not commence in Dublin city centre, but rather at the M50. The original N7 route (under the Local Government (Roads and Motorways) Act, 1974 (Decleration of National Roads) Order, 1977) started the route in Dublin city centre, like the other national routes, with the route originally running through Inchicore village before reaching the Naas Road. However in 1994, following the construction of the Chapelizod bypass which brought the N4 road in to Dublin city centre as dual carriageway, the N7 inside the M50 was downgraded to regional road status (as the R110 road), with N7 traffic being signposted to use the N4 and M50 rather than the original route through Inchicore.

The N7 is noted for two firsts in the history of Irish roads - the first substantial length of dual carriageway in the Republic of Ireland, running 26 km (16 mi) from Dublin to Naas which was completed in 1968 and also the Republic of Ireland's first section of motorway, the 8 km (5.0 mi) Naas Bypass, opened in 1983 bypassing the original route through the town.

The old N7 route (now R445/R110) also formed most of the T5 trunk route between Dublin and Limerick. This was an old method of designating routes in Ireland before the current method was introduced.

Map of Route


The junctions on the Naas Bypass and Newbridge Bypass sections of the M7 were previously numbered J7-J11 (now renumbered Junctions 9-13), in the expectation that an M7 motorway would be built along a new alignment. Instead the Naas Road dual-carriageway was upgraded. The R113 junction (Newlands Cross) is (2008) the only remaining at-grade junction between the M50 and M7, with traffic lights and a break in central median. There are plans to construct a grade separated interchange here. [1] There also remain some private accesses and minor exits prior to J9, the beginning of the M7 motorway.

Junction 13 westbound on the M7 near Kildare.
Raised section of the Kildare bypass.
The M7 leg of the M7/M8 PPP scheme under construction east of Borris-in-Ossory, 22 May 2010.
The M7/M8 interchange at M7 junction 19 just days before the scheme opened to traffic on 28 May 2010.
The M7 Castletown-Nenagh Scheme under construction east of Dunkerrin, 22 May 2010.
N7 dual carriageway
Eastbound Junction Westbound
M50 motorway Motorway Exit 9 Ireland.PNG Motorway Exit 1 Ireland.svg M50 motorway Motorway Exit 9 Ireland.PNG
Newlands Cross (at grade); Belgard Road for Tallaght;
Fonthill Road for Clondalkin (R113)
Newlands Cross (at grade); Belgard Road for Tallaght;
Fonthill Road for Clondalkin (R113)
Kingswood Interchange: Outer Ring Road (R136) Motorway Exit 2 Ireland.svg Kingswood Interchange: Outer Ring Road (R136)
Citywest Road (N82) Motorway Exit 3 Ireland.svg Citywest Road (N82)
Rathcoole Motorway Exit 4 Ireland.svg Rathcoole
Steelstown Interchange: Steelstown Motorway Exit 5 Ireland.PNG Steelstown Interchange: Steelstown
Castlewarden Interchange: Castlewarden (R445) Motorway Exit 6 Ireland.PNG Castlewarden Interchange: Castlewarden (R445)
Kill Interchange: Kill (R445) Motorway Exit 7 Ireland.PNG Kill Interchange: Kill (R445)
Johnstown Interchange: Johnstown (R445) Motorway Exit 8 Ireland.PNG Johnstown Interchange: Johnstown (R445)
M7 motorway
Eastbound Junction Westbound
Maudlins Interchange: Naas North, Sallins (R445) Motorway Exit 9 Ireland.PNG Maudlins Interchange: Naas North, Sallins (R445)
Naas South, Caragh and Togher services
Motorway Exit 10 Ireland.PNG
Naas South, Caragh and Togher services
No access
Motorway Exit 11 Ireland.PNG
The SOUTH EAST (M9 Motorway Exit 1 Ireland.svg)

- Kilkenny, Carlow, Waterford, Athy

The Curragh, Newbridge (R445)
Motorway Exit 12 Ireland.PNG
The Curragh
Kildare, Nurney (R415)
Motorway Exit 13 Ireland.PNG
Kildare Nurney (R415)
Monasterevin (R445)
Motorway Exit 14 Ireland.PNG
Monasterevin (R445)
Portarlington, Emo, The Heath (R423)
Motorway Exit 15 Ireland.PNG
Portarlington, Emo, The Heath (R423)
Portlaoise (R445) (Carlow, Tullamore, N80)
Motorway Exit 16 Ireland.PNG
Portlaoise (R445) (Carlow, Tullamore, N80)
Abbeyleix (N77); Portlaoise (R423)
Motorway Exit 17 Ireland.PNG
Abbeyleix (N77); Portlaoise (R423)
Portlaoise (R445) Motorway Exit 18 Ireland.PNG Mountrath, Castletown, Tullamore (R445)
Ireland Road Toll Symbol.png
No access
Motorway Exit 19 Ireland.PNG
The SOUTH (M8 Motorway Exit 1 Ireland.svg) - Cork, Cashel, Fermoy
Motorway Exit 21 Ireland.PNG
Roscrea Templemore (N62)
Motorway Exit 22 Ireland.PNG
Roscrea Templemore (N62)
Motorway Exit 23 Ireland.PNG
Toomevara, Nenagh (R445)
Motorway Exit 24 Ireland.PNG
Toomevara, Nenagh (R445)
Knockalton, Nenagh, Thurles (R498)
Motorway Exit 25 Ireland.PNG
Knockalton, Nenagh, Thurles (R498)
Carrigatoher, Nenagh (R445), (N52)
Motorway Exit 26 Ireland.PNG
Carrigatoher, Nenagh (R445), (N52)
Birdhill, Killaloe, Ballina (R494)[2]
Motorway Exit 27 Ireland.PNG
Birdhill, Killaloe, Ballina (R494)
Annacotty, Limerick (east) (R445), Newport (R503)
Motorway Exit 28 Ireland.PNG
Annacotty, Limerick (east) (R445), Newport (R503)
Ballysimon Interchange, Limerick (centre) (R527), Waterford (N24)
Motorway Exit 29 Ireland.PNG
Ballysimon Interchange, Limerick (centre) (R527), Waterford (N24)
Rossbrien Interchange, Limerick (city centre) (R509), Cork (M20 Motorway Exit 1 Ireland.svg)
Motorway Exit 30 Ireland.PNG
Rossbrien Interchange, Cork (M20 Motorway Exit 1 Ireland.svg)
Continues as N18 dual carriageway.

See also


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