A1 road (Northern Ireland)

A1
Route information
Part of E01
Length	42.5 mi (68.4 km)
History	Dualling from Sprucefield to the border took place between 1971 and July 2010.
Major junctions
North end	Belfast
Major intersections	A3 in Lisburn M1 Junction 7 at Sprucefield A26 and A50 at Banbridge A2, A25, A27 and A28 at Newry
South end	Near Meigh, south of Newry at border with the Republic. Becomes M1.
Location
Country	United Kingdom
Constituent country	Northern Ireland
Primary destinations	Dunmurry Lisburn Sprucefield Hillsborough Dromore Banbridge Loughbrickland Newry
Road network
Roads in Northern Ireland Motorways A roads in Northern Ireland

The A1 is a major route in Northern Ireland. It runs from Belfast via Lisburn and Banbridge to the border with the Republic of Ireland south of Newry, from where the road continues to Dublin, becoming the N1 road and M1 motorway. Between Sprucefield and Carrickcarnan the road forms part of the European route E01.