A3 road (Northern Ireland)
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| Major junctions | |
| East end: | Lisburn |
 A1 in Lisburn M1 Junction 9 A26 in Lurgan A4 in Portadown A51 in Armagh A28 in Armagh A29 in Armagh
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| West end: | Outside Middletown with the Republic becomes the N12 till Monaghan. From Monaghan then N12 becomes the N54 until Clones becoming the A3 till the border being N54 till back in N.I linking the B533, then crossing the Border as the N54 (Republic) till Cavan. |
| Location | |
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Primary destinations: |
Lisburn Lurgan Portadown Armagh Monaghan Clones Cavan |
| Road network | |
The A3 is a major road in Northern Ireland. It travels through County Antrim, County Down, County Armagh and parts of southern County Fermanagh.
The route branches off the A1, and from the start of the route at Lisburn to the border near Middletown, County Armagh, it is a primary route. The A3 is also the designated road number for the sections of the Irish N54 secondary route which lie in Northern Ireland. These sections carry secondary route status.
The A3 begins by proceeding ahead at a crossroads in Lisburn city centre, where the A1 veers to the left. It continues through the eastern suburbs of Lisburn before it comes to Junction 9 of the M1, where it intersects with the A26 travelling southwards from Antrim. The A3 carries the course of the A26 through the villages of Moira and Magheralin, before the A26 branches off again upon entering Lurgan.
The A3 continues through the town centre of Lurgan, and becomes dual carriageway from the outskirts of Lurgan through a series of roundabouts in what was planned as the new city of Craigavon. At "Central Roundabout", the A3 veers north-easterly onto "Northway", a single-carriageway by-pass of Portadown. "Northway" was originally planned to be an extension of the M12 into the centre of Craigavon, but like many parts of the planned town, it was not built. Close to Portadown town centre, the A4 road branches off and the A3 continues to the city of Armagh, bypassing the village of Richhill.
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Wikipedia