M1 Motorway (Republic of Ireland) - Junctions


This is the National Roads Authority's Exit numbering scheme for the M1. As of 2011 all junctions feature their number on road signs.

Northbound exits (read up) Junction Southbound exits (read down)
Entering Northern Ireland
Road continues as A1
Entering Republic of Ireland
Start of N1
Jonesborough Note: Sliproad crosses the border half way up Jonesborough, Carrickcarnan (R132), Customs and Excise
No exit Ravensdale (R132)
Northbound exits (read up) Junction Southbound exits (read down)
Dundalk, Ballymascanlon (N52) Dundalk, Ballymascanlon (N52)
Castleblayney, Dundalk (N53) Castleblayney, Dundalk (N53)
Dundalk, Mullingar (N52) Dundalk, Mullingar (N52)
Castlebellingham Services Castlebellingham Services
Castlebellingham, Tallanstown (R166) Castlebellingham, Tallanstown (R166)
Ardee, Derry (N33 (N2)) Ardee, Derry (N33 (N2))
Dunleer, Dromin (R170) No exit
Dunleer, Collon (R169) Dunleer, Collon (R169)
No exit Monasterboice (R132)
Drogheda North, Navan (N51) Drogheda North, Navan (N51)
Drogheda, Donore Drogheda, Donore
Drogheda, Duleek (R152) No exit
Julianstown, Drogheda South (R132) Julianstown, Drogheda South (R132)
Balbriggan, Naul (R132) Balbriggan, Naul (R132)
Balbriggan (R132) Lusk, Rush (R132)
Lusk services Lusk services
Skerries, Rush, Donabate (R132) Swords (North), Malahide, Donabate (R132 (R126))
Swords (Centre) (R125) No exit
Dublin Airport, Swords (South) (R132) Dublin Airport, Swords (South) (R132)
Start of M1 motorway Malahide (N32), ALL OTHER ROUTES (M50 )
Motorway continues as M50 for Dublin and Dublin Port

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