British Transport Police and West Midlands Fire Service attended the scene, and were joined by investigators from the
Rail Accident Investigation Branch, who have been gathering evidence.
A Network Rail spokesperson said: "Safety is our top priority and we take incidents such as the one at Egmanton extremely seriously and we have worked closely with the
Rail Accident Investigation Branch on this report.
The
Rail Accident Investigation Branch (RAIB) said the incident "came so close to being a major tragedy" because the worker in charge of the gang had skimped on safety to get the job done more quickly.
A
Rail Accident Investigation Branch (RAIB) report concluded that the cable, which provided the signal box at Abergavenny with its 240v electrical power supply, had become detached from the cable tray running over the footbridge.
The
Rail Accident Investigation Branch (RAIB) believe it is "probable" he "temporarily lost awareness" on a straight section of track and may have fallen into a microsleep for up to 49 seconds.
The report by the
Rail Accident Investigation Branch warned the rest area where they were supposed to be able to nap mid-shift was "unfit for purpose".
The force spokesman said: "An investigation into the incident is underway and the
Rail Accident Investigation Branch (RAIB) has also been informed."
The 11 jurors at the inquest at the county offices in Kendal, Cumbria had heard how a subsequent
Rail Accident Investigation Branch inquiry ruled the "immediate cause" of the crash was that the train had gone over a "degraded and unsafe" set of points.
Last night, officials from the
Rail Accident Investigation Branch said an inquiry was being launched.
A section of track was damaged and engineers are working at the site where SVR and the independent
Rail Accident Investigation Branch are investigating.
Investigators for the
Rail Accident Investigation Branch (RAIB) concluded poor communication and non-compliance with rules caused the accident.