Category:Motorways (RoI)

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Motorways in the Republic of Ireland are a subset of the country's National Road network. They are such sections of that network as have been declared by statutory order under the Roads Act 2007 to be of motorway standard, and are distinguished from non-motorway national roads by the prefixing of M (rather than N) to their numbers. As national roads, all motorways in the Republic of Ireland fall under the aegis of Transport Infrastructure Ireland.

Motorways in the Republic of Ireland
M1 M2 M3 M4 M6 M7 M8 M9
M11 M17 M18 M20 M25 M32 M50
Route From To Length


M1 Dublin (Santry) Dundalk (Faughart Lower) 83 km View
M2 Cherryhound Interchange Rath Roundabout 13.5 km View
M3 Clonee Kells 49.8 km View
M4 Weston, near Leixlip Heathstown, near Kinnegad 46 km View
M6 Kinnegad Galway 129.2 km View
M7 Naas Limerick 195.6 km View
M8 Ballycuddahy Dunkettle 146.1 km View
M9 M7 nr Newbridge Grannagh 115 km View
M10 Clifden Clifden 0.5 km View
M11 Killiney Enniscorthy 64 km View
M17 Rathmorrissy Interchange Tuam 25.5 km View
M18 Shannon Athenry 75.2 km View
M20 Rossbrien Attyflin 9.5 km View
M21 M20 N21 0.1 km View
M25 Liffan Ballyduff East View
M28 Rochestown Ringaskiddy 15.3 km View
M32 Turnapin Interchange Clonshagh Bridge 0.5 km View
Dublin Outer Orbital Motorway Navan Newbridge View
M50 Dublin Port Shankill 41.4 km View              


Primary Route
Non Primary Route
Former Motorway
Defunct Route
E Road
Future Motorway
Future Primary
Future Non Primary
Historical Route
Tourist Route
Roman Road
Unbuilt Motorway
Unbuilt Primary
Unbuilt Non Primary
National Cycle Network
Cycle Route
Eurovelo Cycle Route

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