Ireland/Roads/National roads

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Formally defined in S.I. No. 53/2012 — Roads Act 1993 (Classification of National Roads) Order 2012.. The previous edition was S.I. No. 187/2006 — Roads Act 1993 (Classification of National Roads) Order 2006.

National Primary Routes (N1-N33): Tag as "trunk", which will typically be rendered in green.

National Secondary Routes (N51 upwards): Tag as "primary", typically rendered in red.

Name %age complete Checked by Notes
N1 Dublin - Dundalk - Border (A1 Belfast) 100%
N2 Dublin - Monaghan - Border (A5 Derry) 100%
N3 Dublin - Cavan-Ballyshannon 100% --Mackerski 13:18, 22 May 2008 (UTC) Including A509 and A46
N4 Dublin - Sligo 98% needs junction detail between Kinnegad and Mullingar
N5 Longford - Westport 100%
N6 Kinnegad - Galway 100%
N7 Dublin - Limerick 100%
N8 Portlaoise - Cork 100%
N9 Kilcullen - Waterford 100%
N10 Paulstown - Kilkenny - Ballyhale 100% --Mackerski 02:09, 31 May 2008 (UTC)
N11 Dublin - Wexford 100%
N12 Monaghan - Border (A3 Armagh) 100% --Mackerski 22:43, 18 May 2008 (UTC)
N13 Stranorlar - Letterkenny-Bridge End (Border) 100% Needs exact measurement of border crossing
N14 Letterkenny - Lifford 99% --Mackerski 08:55, 18 September 2008 (UTC) Needs review of detail (dualling, roundabouts) in Letterkenny and end point
N15 Sligo - Donegal - Lifford (Border A38 Strabane) 99% Needs exact measurement of border crossing
N16 Sligo - Manorhamilton-Blacklion (A4 to Enniskillen) 100% A4 to Enniskillen and beyond also mapped
N17 Galway - Claremorris - Collooney 100%
N18 Claregalway - Limerick 96% Marlow 22:11, 21 February 2011 (UTC) Some junction detail missing (Shannon-Limerick)
N19 Shannon - Shannon Airport 100%
N20 Limerick - Cork 100% Christian 03:39, 23 May 2006 (UTC) needs retagging
N21 Limerick - Tralee 100% Marlow 18:55, 21 February 2011 (UTC) Completed and verified
N22 Cork - Tralee 99% Possible need to check detailed route within Cork city
N23 Castleisland - Farranfore 100%
N24 Limerick - Waterford 98% Needs work on Cahir Bypass
N25 Cork - Waterford - Rosslare 100%
N26 - Swinford - Ballina 100%
N27 Cork - Cork Airport 95%
N28 Cork - Ringaskiddy 85%
N29 Belview Port Access, near Waterford 100% --Mackerski 02:48, 31 May 2008 (UTC) Very short, runs from N25 Kilmurry-Belview via Gorteens
N30 Enniscorthy - New Ross 100%
N31 Leopardstown - Dun Laoghaire 100%
N32 M50 - Malahide Road 100% --Mackerski 00:26, 26 April 2007 (BST)
N33 M1 to Ardee 100%
N51 Drogheda - Navan - Delvin 100% --Mackerski 03:05, 2 June 2008 (UTC)
N52 Dundalk - Mullingar - Kilbeggan - Nenagh 100% Mullingar Bypass included
N53 Dundalk - A37 - Castleblayney 100% --Mackerski 11:43, 18 May 2008 (UTC) Including A37
N54 Monaghan - A3 - Butlers Bridge 100% --Mackerski 00:45, 19 May 2008 (UTC) Including related sections of A3
N55 Cavan - Edgeworthstown - Athlone 99% Rough at Cavan end
N56 Donegal Town - An Clochán Liath - Letterkenny 99% Tie-ins in Letterkenny need confirmation
N58 Bellavary - Foxford 100%
N59 Belladrehid - Westport - Galway 100% --Mackerski 20:36, 4 June 2008 (UTC)
N60 Roscommon - Castlebar 100%
N61 Athlone - Boyle 100%
N62 Fardrum - Birr - Horse and Jockey 100% Rough just north of Thurles
N63 Longford - Roscommon - Cnoc Tua Mór 100%
N65 Loughrea - Borrisokane 100%
N66 Loughrea - Gort 100%
N67 Kilcolgan - Killimer Ferry - Tarbert 100% Rough in places
N68 Ennis - Kilrush 99% --Mackerski 18:09, 15 September 2008 (UTC) Complete, but last stretch in Kilrush is one-way. There's no other direction in SI, but on the ground?
N69 Limerick - Tralee 98% Last portion in Tralee needs to be identified.
N70 Kenmare - Caherciveen - Tralee 100% Marlow 22:13, 21 February 2011 (UTC)
N71 Cork - Killarney 98% Missing Tralee tie-in. Rough in places.
N72 Killorglin - Killarney - Fermoy - Old Pike Bridge 100%
N73 Olivers Cross - Mitchelstown 100%
N74 Cashel - Tipperary 100% Tbibby 18:34, 28 May 2008 (UTC)
N75 Turnpike - Thurles 100%
N76 Kilkenny - Kilheffernan 100%
N77 Kilkenny - Portlaoise 100% AndrewMcCarthy 22:59, 21 June 2012 (BST) Was extended from Durrow to Portlaoise in 2012 SI
N78 Hennebrys_Cross - Kilcullen 100%
N80 Moate - Portlaoise - Ballynahallin 100%
N81 Dublin - Closh Cross 100% Rough in places
N82 Tallaght - Brownsbarn 100%
N83 Tuam - Ballyhaunis - Glentavraun 100% --Mackerski 20:37, 4 June 2008 (UTC)
N84 Galway - Castlebar 100%
N85 Ennis - Ennistimon 100%
N86 Tralee - Dingle 98% Needs completion of route in Tralee
N87 Belturbet - Swanlinbar 100% --Mackerski 13:18, 22 May 2008 (UTC) Including A32 to Enniskillen

Dual Carriageway Sections of N Roads

Progress Summary

Progress Detail

Carriageways Junctions
Name 1 2 Total Complete Last Update Notes
N25 Cork - Midleton 90% Christian 08:21, 25 Jan 2006 (GMT)