Back M1 motorway (Nordirland) German M1 (Tuaisceart Éireann) Irish Motorway M1 (Irlanda del Nord) Italian Autostrada M1 (Irlanda del Nord) LMO M1 (Noord-Ierland) Dutch M1 (Nord-Irland) NB M1 (Irlanda do Norte) Portuguese M1 motorway (Northern Ireland) SIMPLE M1 (Nordirland) Swedish Автомагістраль М1 (Північна Ірландія) Ukrainian
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| Route information | ||||
Part of  E01 and  E18 | ||||
| Length | 38.0 mi (61.2 km) | |||
| Existed | 1962–present | |||
| History | Constructed 1962–1968 | |||
| Major junctions | ||||
| East end | Belfast | |||
&sq=Bangladesh&lang=en&file=File:Junction_12.svg){kind=small} &sq=Bangladesh&lang=en&file=File:UK-Motorway-M12.svg){kind=small} J12 → M12 Motorway | ||||
| West end | Dungannon | |||
| Location | ||||
| Country | United Kingdom | |||
| Constituent country | Northern Ireland | |||
| Primary destinations | Lisburn, Lurgan, Craigavon, Portadown, Dungannon | |||
| Road network | ||||
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The M1 is a motorway in Northern Ireland. It is the longest motorway in Northern Ireland and runs for 38 miles (61 km) from Belfast to Dungannon through County Antrim, County Down, County Armagh and County Tyrone. It forms part of the route via the A1 in Northern Ireland (N1/M1 in the Republic of Ireland) between Belfast and Dublin as well as being a part of the unsigned European E01 and E18 routes.