R300 road (Ireland)
The R300 road is a regional road in southwest County Mayo and north County Galway in Ireland. It connects the R330 road at Cloonee and the nearby N84 road at Partry to the R345 road at Clonbur, to the south. It passes through the area known as Joyce Country between the Partry Mountains and Lough Mask.
The government legislation that defines the R300, the Roads Act 1993 Order 2012 , provides the following official description: