A51 Northern Ireland traffic
Incidents, roadworks and closures on the A51 (NI) in Northern Ireland, by junction and direction.
No incidents on the A51 (NI) now
4 entries in all. Source last updated 5 h ago.
Incidents now 0
Planned roadworks 4
- Lane closure
A51 Madden Road, Tandragee
Starts Fri 23 Oct, 09:30
Lane closure: A51, Madden Road, Tandragee. Roadworks will operate from 09:30 on Fri 23rd Oct 2026 to 16:30 on Fri 23rd Oct 2026. Reason: Fibre install to customers house, 1 Madden Road.
TrafficwatchNI (DfI) · updated 2 October 2026
- Full closure
A51 Gaol Square, Armagh
Starts Sat 24 Oct, 00:00
Road closure: A51, Gaol Square, Armagh. Roadworks will operate as follows:-. Reason: Carriageway Resurfacing. Diversion in place.
TrafficwatchNI (DfI) · updated 5 h ago
- Lane closure
A51 Marlacoo Road, Hamiltonsbawn
Starts Mon 26 Oct, 09:30
Lane closure: A51, Marlacoo Road, Hamiltonsbawn. Roadworks will operate from 09:30 on Mon 26th Oct 2026 to 16:30 on Fri 30th Oct 2026. Reason: UG Cabling & Blockages.
TrafficwatchNI (DfI) · updated 30 September 2026
- Lane closure
A51 Madden Road, Gilford
Starts Wed 28 Oct, 09:30
Lane closure: A51, Madden Road, Gilford. Roadworks will operate from 09:30 on Wed 28th Oct 2026 to 16:30 on Wed 28th Oct 2026. Reason: Fibre install to customers house, 96 Tandragee Road.
TrafficwatchNI (DfI) · updated 3 days ago
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What's closed, what's happened and tonight's works. Free, every morning or Mondays only.
Questions
- Is the A51 (NI) closed today?
- No full closure is reported on the A51 (NI) at the moment.
- Are there roadworks on the A51 (NI)?
- 0 in progress and 4 planned, listed by junction on this page.