The N81 road is a national secondary road in Ireland, from the M50 motorway to Tullow, County Carlow, north to south. The N81 continues past Tullow for another 8 km to terminate at the village of Closh, County Carlow, where it intersects the N80. The N81 is 76.784 km (47.711 mi) long. The road is a dual carriageway between M50 motorway and west of Tallaght, known as the Tallaght Bypass or Blessington Road. It intersects with the M50 motorway at Junction 11. There are plans to extend the dual carriageway by 5 km (3.1 mi) to the urban boundary.
The R293 road is a regional road in Ireland linking the N17, via a junction in the townland of Ballinabole near Collooney in County Sligo, to the outskirts of Ballyhaunis in County Mayo. En route it passes through three towns, Ballymote and Gorteen in County Sligo and Ballaghaderreen in County Roscommon. The road is 55 km (34 mi) long.
The R113 road is a regional road in Ireland. Located in Dublin, it forms a semi-orbital route around the south of the city. As of 2007, clockwise, it starts at the N31 at Temple Hill in Blackrock and ends at a junction with the N4 at Palmerstown.
The R148 road is one of Ireland's regional roads which was classified following the opening of a by-passed national primary road.
The R445 road is a regional road in Ireland. The route is a non-motorway alternative route to the N7/M7 motorway between Naas and Limerick, and at 170 km it is one of the longest regional roads in Ireland. Indeed, much of the route comprises roads that were formerly part of the N7 between the cities, prior to motorway and other bypasses. Some of the R445 route also comprises local link roads to new N7/M7 route sections.
A national secondary road is a category of road in Ireland. These roads form an important part of the national route network but are secondary to the main arterial routes which are classified as national primary roads. National secondary roads are designated with route numbers higher than those used for primary roads, but with the same "N" prefix. Routes N51 and higher are all national secondary roads.
The R755 road is a regional road in Ireland. It runs for its entire length in County Wicklow. From the village of Kilmacanogue on the N11 national primary road it goes north/south for 36 km (22 mi) to the town of Rathdrum.
The R747 road is a regional road in Ireland running north-west/south-east from the M9 near Ballitore in County Kildare to Arklow in County Wicklow, a distance of 66 km (41 mi).
The N80 road is a national secondary road in Ireland that runs southeastwards from its junction with the N52 and R443 in the town of Tullamore in County Offaly, to the N30 at Ballynahallin, just north of Enniscorthy in County Wexford, a distance of 114.683 km. Total length is 114.683 km (71.261 mi).
The R639 road is one of Ireland's regional roads. Once designated the N8 national primary road, it was reclassified in stages as the R639 following the progressive opening of sections of the M8 motorway, which rendered the single carriageway N8 redundant as a national primary road. By-passed sections of the old N8 were generally reclassified as R639 as soon as a new section of M8 opened, thereby increasing the length of the R639. With the completion of the M8 on 28 May 2010, the R639 now stretches from Durrow, County Laois to Cork, running through counties Laois, Kilkenny, Tipperary, Limerick and Cork.
The R400 road is a regional road in Ireland, linking Mullingar, County Westmeath to the R419 at Cushina, County Offaly.
The R401 road is a regional road in Ireland, linking Kinnegad in County Meath to Kildare town in County Kildare.
The R415 road is a regional road in Ireland, which runs north-south from its junction with the R403 in Allenwood to the R448 at Crookstown, passing through Kildare town, and crossing the N78 between Kilcullen and Athy. The route is entirely within County Kildare.
The R741 road is a regional road in County Wexford, Ireland. From its junction with the R772 in Gorey it takes a southerly route to its junction with the R730 in the centre of Wexford Town, where it terminates.
The R323 road is a regional road in County Mayo, Ireland. Going from west to east, the route connects the towns of Kiltimagh, Knock, and Ballyhaunis. En route it crosses over the N17 national primary road at a grade separated junction in the village of Knock.
The R730 road is a regional road in County Wexford, Ireland. From its junction with the R702 in Kiltealy it takes a southeasterly route to its junction with the R741 in the centre of Wexford Town, continuing south to Blackhorse to its junction on a roundabout with the N25 Wexford bypass. En route it crosses the N30 national primary road. The road is 35 km (22 mi) long.
The R189 road is a regional road in Ireland, linking Monaghan Town to Cootehill. The route is 25 km (16 mi) long.
The R125 road is a regional road in Ireland, linking Kilcock on the County Meath / County Kildare border to Swords in County Dublin via the towns of Dunshaughlin and Ratoath.
The R670 road is a regional road in Ireland. The route runs from its junction with the R639 and N24 at Cloughabreeda 2 km north of Cahir through Cahir town and onwards for a further 8 km to Ardfinnan, where it joins the R665 road. The R670 is located entirely in County Tipperary.
The R819 road is a regional road in Dublin, Ireland.
