The R439 road is a regional road in Ireland linking Birr with Banagher in County Offaly. The route is about in length.
The road begins with a junction on the N52 road at Emmet Square at the centre of Birr Town and continues northwards taking the following routes through the town; Green Street, Rosse Row, Model School Road, Eden Road & Cappaneale. The road continues northwards forming a crossroads junction with the R438 at Taylor's Cross. The road continues into Banagher as Birr Road & Main Street. The route terminates in Main Street at the junction with the R356.
See also National primary road National secondary road Roads in Ireland
References Roads Act 1993 (Classification of Regional Roads) Order 2006 – Department of Transport