Current Investigations

InvestigatingThis means an investigation is being carried out which will lead to a published investigation report.

When an investigation is largely complete, a draft copy of the report is sent to relevant stakeholder for comment; this process can take some time.
DelayedSometimes an investigation can take longer than usual, in such cases we release an interim statement.
Date Description U/SAN Status
01/07/2025 IÉ overspeeding of a test train (new Battery Electric Multiple Unit) through crossover points in a possession Investigating
08/02/2025 IÉ signal passed at danger without authority near Mallow

Note: This investigation is ongoing and expected to be published by the end of 2026.

Investigating
24/11/2024 IÉ cardan shaft detachment from an intercity railcar, between Templemore and Ballybrophy

Awaiting information from stakeholders.

Delayed
11/10/2024 IÉ track worker safety at Bray Tunnels

Note: this did form the basis of a trend investigation, however, a USAN was published to address immediate concerns, and the scope has been reduced to incidents at Bray Tunnels.

 Download Investigating
10/09/2024 IÉ collision between a road rail vehicle and a member of IÉ staff, North Esk, Co. Cork

This report is delayed as the scope of the investigation has been expanded to include further investigation into how IÉ implement their duties under the Construction Regulations (2013).

 Download Investigating
13/08/2024 IÉ signal passed at danger without authority near Keelogues level crossing, Co. Mayo

The report into this investigation is delayed as a result of the RAIU awaiting further information from stakeholders.

Delayed
12/06/2024 IÉ derailment of a road rail vehicle (excavator), near Ballycollin, Co. Offaly

This report is delayed as the scope of the investigation has been expanded to include further investigation into how IÉ implement their duties under the Construction Regulations (2013).

Delayed
08/03/2024 IÉ collision between two road rail vehicles, on the Athenry to Galway line

This report is delayed as the scope of the investigation has been expanded to include further investigation into how IÉ implement their duties under the Construction Regulations (2013). It will be published with conjunction with the investigation report into the accident at Ballycollin.

Delayed