N2

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N2
Location Map
Cameraicon.png View gallery (41)
From:  Dublin (Balseskin) (O125404)
To:  Moy Bridge (border) (H662510)
Via:  Ardee, Monaghan
Distance:  133 km (82.6 miles)
Meets:  M50, R135, R152, R153, R150, N51, R168, R169, R165, R170, N33, N52, R171,R181, R183, N53, R184, R214, R213, N54, N12, A5
Highway Authorities

Transport Infrastructure Ireland

Traditional Counties

Dublin • Louth • Meath • Monaghan

Route outline (key)
N2 Dublin – M50
N2 M50 – Killshane
M2 Killshane – Ashbourne
N2 Ashbourne – Moy Bridge

The N2 is the main road running north-northwest of Dublin to Monaghan, beyond which it connects at the border with the A5 to Derry.

Route

The N2 starts at the Finglas Interchange M50 J5 and runs northwest past the Airport logistics park. The first 4.5 km of the route is D3 HQDC to J2 with the R135, where there is a lane drop and the route continues for 13 km as the D2M M2, which crosses into County Meath and bypasses Ashbourne. The M2 ends at the Rath Roundabout, 2 km north of the town, and the original course of the road, now the R135, rejoins from the right.

Milestone on the N2 in Meath

The N2 continues from Rath Roundabout in a straight line northwest. After 2 km it crosses briefly into Co. Dublin for 1 km and after a further 1 km the R155 joins at a traffic-light-controlled junction, a rarity on rural Irish roads. A further kilometre on, the R152 to Duleek branches off to the right. The route then continues more or less straight across the flat Meath countryside, with junctions with the R153 and R150.

Slane Bridge (1776): a bottleneck on the N2
Approaching Slane, the N2 descends into the Boyne valley, a relatively gradual decline from the south. At Slane, the narrow 18th century bridge across the Boyne has an alternate one way system. On the northern side there is a steeper gradient, and and a bend just before the traffic light controlled crossroads with the N51 at the centre of Slane. Southbound traffic at Slane is filtered by a traffic control system that segregates HGV and car traffic, allowing faster traffic proceed first. There have been numerous examples of large southbound vehicles crashing into the bridge parapet at the base of the hill. A bypass for Slane with a high level bridge is currently being designed.

North of Slane the countryside is less flat and the road is less straight. 11 km north of Slane the route crosses into Co. Louth and passes uphill along the main street of Collon. 1 km north of Collon the R169 provides a convenient route for northbound traffic to the M1.The N2 continues for 8 km to Ardee. The N52 joins from the right half way up the main street. The N52 formerly had a short multiplex to the north of the town and branched off for Dundalk, but has now been downgraded, although signage does not reflect this. The N33 - which today carries the majority of traffic from Dublin via the M1 joins at a roundabout north of the town. The N2 carries on North-West as modern Irish S2 with hard shoulders, crossing into County Monaghan over a modern bridge at Aclint. Carrickmacross is bypassed by a high quality S2 with a GSJ at either end of the town and a which is crossed by the R179 on a flyover. A further 13 km brings us to a roundabout with the N53 on the southern outskirts of Castleblayney. The N2 continues as a D2+1 to bypass the town with GSJ junctions with the R181 and R183.

N2 Castleblayney Bypass

After a further 18 km of 2+1 the N2 continues as regular S2, with some climbing lanes, towards Monaghan, veering to the left as it approaches the town. Monaghan is bypassed to the east by a modest bypass, at the end of which the N12 and N54 run right and left, respectively.

After this, the N2 heads north towards the border with Northern Ireland. The first part of this route has some of the poorest sections of the N2, despite recent removal of bends, but north of Emyvale better S2 with shoulders is found. The N2 ends at the modern Moy Bridge, 1.5 km south of Aughnacloy, and the A5 continues on across County Tyrone to reach Omagh, Strabane, and Derry.

External links

Irish Statute Book

Irish Roads

Meath County Council

Mótarbhealaí

TII

Videos

Video campaigning about N2 safety



N2
JunctionsAnnahagh Roundabout • Blakestown Cross • Carrickmacross Road Roundabout • Cherryhound Interchange • Coolshannagh Roundabout • Corlat Roundabout • Finglas Interchange • McGruder's Cross Roads • Rath Roundabout
PlacesArdee • Aughnacloy • Castleblayney • Dublin • Monaghan
MiscellaneousN2/Named Junctions
Related Pictures
View gallery (41)
60mph sign still in situ - Coppermine - 9346.jpgMilestone on the N2 near Balrath (C) JP - Geograph - 1034388.jpgN2 Ashbourne South interchange - Coppermine - 5279.jpgN2 Monaghan bypass - Coppermine - 21977.JPGN2 at Slane - Coppermine - 5284.jpg
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