old N9/R747 junction to Junction 3 of the motorway. Both the Kilcullen - Carlow section of the M9 and the R747 extension opened on 20 December 2009. A link road from this interchange to Athy was opened in December 2009. See also Roads in Ireland National primary road National secondary road References Roads Act 1993 (Classification of Regional Roads) Order 2006 – Department of Transport Specific Regional roads in the Republic of Ireland Roads in County Wicklow Roads in County Kildare Roads in County Carlow