M3 Northern Ireland traffic
Incidents, roadworks and closures on the M3 (NI) in Northern Ireland, by junction and direction.
No incidents on the M3 (NI) now
2 entries in all. Source last updated 29 September 2026.
Incidents now 0
Planned roadworks 2
- Lane closureeastbound
M3 Motorway (East Bound), Belfast, eastbound
Starts Thu 15 Oct, overnight 23:00–06:00
Lane closure: M3, M3 Motorway (East Bound), Belfast. Roadworks will operate from 23:00 on Thu 15th Oct 2026 to 06:00 on Fri 16th Oct 2026. Reason: Gantry maintenance.
TrafficwatchNI (DfI) · updated 29 September 2026
- Lane closurewestbound
M3 Nelson Street Off-Slip Road (West Bound), Belfast, westbound
Starts Fri 16 Oct, overnight 23:00–06:00
Lane closure: M3, M3 Nelson Street Off-Slip Road (West Bound), Belfast. Roadworks will operate from 23:00 on Fri 16th Oct 2026 to 06:00 on Sat 17th Oct 2026. Reason: Gantry maintenance.
TrafficwatchNI (DfI) · updated 29 September 2026
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Questions
- Is the M3 (NI) closed today?
- No full closure is reported on the M3 (NI) at the moment.
- Are there roadworks on the M3 (NI)?
- 0 in progress and 2 planned, listed by junction on this page.