The R316 road is a regional road in County Mayo in Ireland. It connects the R312 at Boghadoon to the R315 road at Ballybrinoge near Crossmolina, away (<span class="plainlinks">map of the route</span>).
The government legislation that defines the R316, the Roads Act 1993 (Classification of Regional Roads) Order 2012 (Statutory Instrument 54 of 2012), provides the following official description: