Uk Rail Accident Investigation Branch

Derailment at Denbigh Hall South Junction, 26 June 2025

RAIB published investigation report 04/2026 into a derailment at Denbigh Hall South Junction on 26 June 2025. An out-of-service passenger train travelling at 15 mph derailed on switch diamond points while making a wrong-direction movement. The derailment caused damage to train and railway infrastructure; no injuries occurred. RAIB identified that signalling staff had variable knowledge of switch diamond points and that the Rule Book did not cover the specific scenario of wrong-direction movements.

Cambridge Junction Overspeed, 11th Dec 2025

The Rail Accident Investigation Branch (RAIB) published Safety Digest 02/2026 regarding an overspeed incident at Cambridge Junction, Hertfordshire, on 11 December 2025. RAIB decided not to undertake a full investigation because the safety learning either had been covered by a previous recommendation or relates to compliance with existing rules, procedures or standards. The digest shares safety messages with the rail industry without imposing new compliance obligations.

Hopetown Junction Derailment Safety Digest

The UK Rail Accident Investigation Branch published Safety Digest 03/2026 regarding a derailment at Hopetown Junction, Darlington, that occurred on 31 January 2026. RAIB determined not to conduct a full investigation, citing that safety learning was either covered by previous recommendations or related to compliance with existing rules and procedures. The digest shares important safety messages with the rail industry.

Road Vehicle Incursion at York Street, Belfast - HGV Near Miss with Train

RAIB has opened an investigation into a road vehicle incursion at York Street, Belfast on 20 March 2026. An HGV left the M2 motorway after a collision, breached a containment barrier, and entered the railway adjacent to the Belfast to Derry-Londonderry line. Train B749 approaching from Larne Town saw the HGV and braked, passing it at approximately 16 mph without collision. The HGV driver was injured, and damage occurred to the vehicle, barrier, fencing, and railway infrastructure.

Near Miss Between Passenger Train and Van at Millbrook, Bedfordshire

The Rail Accident Investigation Branch published Safety Digest 04/2026 regarding a near miss between a passenger train and a van near Millbrook, Bedfordshire on 25 September 2025. RAIB decided not to undertake a full investigation because the safety learning either has already been covered by a previous recommendation or relates to compliance with existing rules, procedures, or standards. The safety digest aims to quickly share important safety messages with the railway industry.