The R809 road is a regional road in three sections in Dublin and Fingal, Ireland.Statutory Instrument 54 of 2012 Roads Act 1993 (Classification of Regional Roads) Order, 2012, Irish Statute Book (irishstatutebook.ie). (HTML file), 2012-02-28. It runs in a roughly semicircular path, partially interrupted by the R139 since 2012, that runs north, then east, then south, connecting one point on the coast road of Dublin Bay with another point, further northeast.
In total, the road is just short of in length.
Route The first section connects the R807 in Bettyglen to the R104 via Raheny,Map of first 2.7 km section of R809 road, Google Maps. Retrieved: 2010-08-10. the second from the R104 to the R139 via Donaghmede,Map of second 1 km section of R809, Google Maps. Retrieved: 29 April 2025. and the third from its junction with the R139 and R106 in Baldoyle to the R105 in Sutton.Map of third 1.2 km section of R809, Google Maps. Retrieved: 2010-08-10.
History The R809 originally formed a continuous route from Bettyglen to Sutton, putting the route's total length at . However, the designation of the R139 road in 2012 along the section between Donaghmede and Baldoyle (on Grange Road and Willie Nolan Road) replaced that of the R809, thereby splitting the route.
See also Roads in Ireland Regional road
References