ByRoute 21, still at the planning stage, is intended to link Naul on the outskirts of DUBLIN with Co. Donegal, provisionally via:
In Co. Meath & Co. Louth –
Bellewstown, MI Junctions 7 & 12, Monasterboice,
Collon, Shanlis,
Ardee, Tallanstown;
In Co. Monaghan –
Carrickmacross, Mannon Castle,
Castleblayney, Castleshane,
Monaghan Town, Glaslough,
Emyvale, Scotstown;
In Co. Fermanagh & Co. Tyrone –
Rosslea, Fivemiletown, Murley Mountain,
Fintona, Dromore, Lough Braden Frst, Castlederg;
In Co. Donegal –
Ballybofey,Welchtown, Bellanamore, Fintown, Glenties.