&sq=Envato&lang=en&file=File:Question_book-new.svg){kind=small} | This article relies largely or entirely on a single source. (June 2019) |
&sq=Envato&lang=en&file=File:UK_road_A3.svg) | |
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&sq=Envato&lang=en&file=File:Armagh_to_Monaghan_Road_(A3)_-_geograph.org.uk_-_537243.jpg) | |
| Major junctions | |
| East end | Lisburn |
&sq=Envato&lang=en&file=File:UK_road_A1.svg){kind=small} A1 in Lisburn&sq=Envato&lang=en&file=File:UK-Motorway-M1.svg){kind=small} M1 Junction 9 &sq=Envato&lang=en&file=File:UK_road_A26.svg){kind=small} A26 in Lurgan&sq=Envato&lang=en&file=File:UK_road_A27.svg){kind=small} A27 in Craigavon&sq=Envato&lang=en&file=File:UK_road_A4.svg){kind=small} A4 in Portadown&sq=Envato&lang=en&file=File:UK_road_A51.svg){kind=small} A51 in Armagh&sq=Envato&lang=en&file=File:UK_road_A28.svg){kind=small} A28 in Armagh&sq=Envato&lang=en&file=File:UK_road_A29.svg){kind=small} A29 in Armagh | |
| West end | Outside Middletown, road crosses into County Monaghan in the Republic, becoming the N12 until Monaghan. From Monaghan, the N12 becomes the N54 until Clones, becoming the A3 again in County Fermanagh from there until it crosses back across the border, when it becomes the N54 until back in County Fermanagh in N.I., linking the B533, then crossing the Border again as the N54 (Republic) until Cavan. |
| Location | |
| Country | United Kingdom |
| Constituent country | Northern Ireland |
| Primary destinations | Lisburn Lurgan Portadown Armagh Monaghan Clones Cavan |
| Road network | |
&sq=Envato&lang=en&file=File:A3_road_(Ireland)_%26_N12_road_(Ireland)_%26_N54_road_(Ireland).jpg)
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.