The R313 road is a regional road in County Mayo in Ireland. It connects the town of Bangor Erris to Blacksod at the tip of the Mullet Peninsula, away (<span class="plainlinks">map</span>).
The government legislation that defines the R313, the Roads Act 1993 (Classification of Regional Roads) Order 2012 (Statutory Instrument 54 of 2012), provides the following official description: