Irish Rail disruption as DART services suspended after overhead line damage

irish rail operations have been hit by a major suspension of DART services after significant damage to overhead line equipment forced the stoppage of trains between Pearse and Dun Laoghaire until further notice.

Iarnród Éireann has said work is under way to repair the damaged equipment, and that disruption is expected to continue for an extended period of time, including during this evening’s peak service. A related power issue with overhead lines at Grand Canal Dock means DART services could be disrupted for the rest of the day.

What Happens When Irish Rail Repairs Overhead Lines?

The immediate operational picture is narrow and specific: all train services are suspended between Pearse and Dun Laoghaire while repairs to overhead line equipment are carried out. The operator has identified a power issue at Grand Canal Dock that may prolong DART disruption through the day.

Alongside the rail suspension, city traffic is affected by several incidents and congestion points. Key updates include:

• Rail: Suspension in place between Pearse and Dun Laoghaire; repairs ongoing to overhead line equipment; potential for disruption through the rest of the day tied to a power issue at Grand Canal Dock.
• Motorways and major routes: M50 northbound heavy from J13 to J6; M50 southbound busy from the M1 M50 roundabout to J6; collision on the M50 northbound at J6 Blanchardstown blocking lanes.
• Other road issues: Breakdown on St. Johns Road West; breakdown on the M4 westbound past J5 Leixlip; northside delays on Malahide Road, Swords Road, Drumcondra Road, Phibsborough Road, North Circular Road and in Cabra; southside congestion on Chapelizod Bypass, Longmile Road, the N11 and Merrion Gates, and busy streets in the southside city centre.
• Cleared incidents: Collisions on the N11 southbound, M50 southbound and M50 northbound have been cleared, though other blockages remain active.

What If Disruption Continues Through Peak?

Operational statements make clear that disruption is expected to extend into peak hours while overhead-line repairs proceed. The suspension between Pearse and Dun Laoghaire remains in effect until further notice, and the power issue at Grand Canal Dock is flagged as a reason DART services could be affected for the rest of the day.

Commuters and road users are experiencing a compounded effect: rail capacity on the DART corridor is reduced or unavailable on the affected section while multiple roadway incidents and congestion points persist across the city, from motorway jams to local street delays. Incident clearances have been achieved in some locations, but lane blockages and breakdowns continue to influence journey times across several corridors.

Customers are advised that repairs are under way and that service disruption may be prolonged; the irish rail suspension between Pearse and Dun Laoghaire remains active as crews work on the overhead lines.