ByRoute 15 link’s the M3‘s Junction 6 near DUBLIN with Ballycastle (Co. Mayo) via:
In Co. Meath –
Tara;
Bective, Dunderry, Ráth Cairn, Rathmore, Athboy;
In Co. Westmeath –
Drumcree, Collinstown, Lough Lene;
Fore;
Castlepollard & Coole, Lismacaffrey, Streete & Rathowen;
In Co. Longford / Co. Roscommon –
Edgeworthstown / Mostrim & Corboy;
Abbeyshrule, Pallas & Forgney, Ballymahon;
Fuerty & Castlecoote, Athleague;
In Co. Galway –
Creggs / Glinsk, Ballymoe, Williamstown, Dunmore, Milltown, Kilconly & Kilbannon;
In Co. Mayo –
Irishtown, Ballindine, Crossboyne;
Mayo;
Brize, Balla / Athavallie, Manulla, Breaffy;
Turlough & Parke, Bellavary, Strade;
(Ballycastle)