High Quality Content by WIKIPEDIA articles! The R445 road is a regional road in Ireland. The route is a non-motorway alternative route to the N7/M7 motorway between Dublin and Limerick. 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.