The R819 road is a regional road in Dublin, Ireland. The official definition of the R819 from the Roads Act 1993 (Classification of Regional Roads) Order 2006 states: R819: Long Mile Road - Tallaght, County Dublin Between its junction with R110 at Long Mile Road in the city of Dublin and its junction with N81 at Tallaght Bypass in the town of Tallaght in the county of South Dublin via Walkinstown Road in the city of Dublin: and Greenhills Road in the county of South Dublin.</p> The road is long. See also Roads in Ireland National secondary road Regional road References Regional roads in the Republic of Ireland Roads in County Dublin