The M1 is a motorway in Northern Ireland. It is the longest motorway in Northern Ireland and runs for 38 miles from Belfast to Dungannon through County Antrim, County Down, County Armagh and County Ty

The M2 is a motorway in Belfast and County Antrim in Northern Ireland. It is in two sections, the southern section running from north Belfast to Antrim and the northern section acts as a bypass of Bal