The R670 road is a regional road

Regional road

A regional road in Ireland is a class of road not forming a major route , but nevertheless forming a link in the national route network. There are over 11,600 kilometres of regional roads. Regional roads are numbered with three digit route numbers, prefixed by "R" A regional road in Ireland is a...

 in Ireland

Republic of Ireland

Ireland , described as the Republic of Ireland , is a sovereign state in Europe occupying approximately five-sixths of the island of the same name. Its capital is Dublin. Ireland, which had a population of 4.58 million in 2011, is a constitutional republic governed as a parliamentary democracy,...

. The route runs from its junction with the R639

R639 road

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...

 and N24 at Cloughabreeda 2 km north of Cahir

Cahir

Cahir is a town in South Tipperary in Ireland. The town is best known for its castle and the Swiss Cottage. It is in the barony of Iffa and Offa West.-Location and access:...

 through Cahir town and onwards for a further 8 km to Ardfinnan

Ardfinnan

Ardfinnan is a small village in the barony of Iffa and Offa West, South Tipperary in Ireland. It is situated on the River Suir and R665 regional road. The parish of Ardfinnan is made up of three areas: Ardfinnan, Ballybacon, and Grange. The village is located 14 kilometres from the town of Clonmel...

, where it joins the R665 road

R665 road

The R665 road is a regional road in Ireland. The route runs from Mitchelstown to Clonmel via Ballyporeen, Clogheen and Ardfinnan, passing through parts of counties Cork and Tipperary. The R665 was once a key part of the historic route from Dublin to Cork, and was mapped as such as late as 1778...

. The R670 is located entirely in County Tipperary

County Tipperary

County Tipperary is a county of Ireland. It is located in the province of Munster and is named after the town of Tipperary. The area of the county does not have a single local authority; local government is split between two authorities. In North Tipperary, part of the Mid-West Region, local...

.

The section of the R670 from Cloughabreeda to Cahir town centre was the main road connecting Cahir with Cashel in 1714 and was part of the T9

Trunk Roads in Ireland

Ireland has an extensive network of public roads which connect all parts of the country with each other. Roads in Ireland are currently classified as motorways, National Primary routes, National secondary routes, Regional roads and Local roads. The introduction of this classification system began...

 prior to 1974, when it was renumbered as part of the Dublin-Cork N8 national primary route. When the N8 was realigned to run southwest of Cahir in 1990, the old section of the road was reclassified as a regional road, and incorporated into the existing R670.

See also

• Roads in Ireland
  Roads in Ireland
  The island of Ireland, comprising Northern Ireland and the Republic of Ireland, has an extensive network of tens of thousands of kilometres of public roads, usually surfaced. These roads have been developed and modernised over centuries, from trackways suitable only for walkers and horses, to...
  
  
• Motorways in Ireland
• National primary road
  National primary road
  A national primary road is a road classification in the Republic of Ireland. National primary roads form the major routes between the major urban centres. There are over 2,700km of national primary roads. This category of road has the prefix "N" followed by one or two digits...
  
  
• National secondary road
  National secondary road
  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...
  
  
• History of roads in Ireland
  History of Roads in Ireland
  There have been routes and trackways in Ireland connecting settlements and facilitating trade since ancient times and the country now has an extensive network of public roads connecting all parts of the island.-Early history:...
  
  
• Trunk Roads in Ireland
  Trunk Roads in Ireland
  Ireland has an extensive network of public roads which connect all parts of the country with each other. Roads in Ireland are currently classified as motorways, National Primary routes, National secondary routes, Regional roads and Local roads. The introduction of this classification system began...