Community Rail worker killed by a 76mph practice in south west London was finishing up deliberate inspection work on the time of his dying.
Tyler Byrne, 30, was considered one of 4 personnel inspecting moveable sections of observe between Surbiton and Weybridge.
The Rail Accident Investigation Department stated in an announcement: “The work was deliberate to happen whereas the traces have been open and with preparations in place to guard workers from practice actions.
“Our investigation will purpose to determine the sequence of occasions which led to the accident and can embody consideration of the actions of these concerned, the deliberate safety preparations, the planning of the work regarding the inspection of switches and crossings the place traces are open to site visitors, and any related underlying elements.”
Detective Chief Inspector Paul Langley stated: “This can be a tragic incident which has resulted within the very unhappy dying of a railway employee.
“Our deepest condolences are with the person’s household who’re being supported by specifically educated officers.
“We’re conducting full and thorough investigation into the incident and I wish to encourage anybody with info to please contact us as quickly as doable.”
Community Rail chief government Andrew Haines stated on the time that the times after the accident have been “extremely troublesome for the railway household”.
Ministers and union bosses referred to as for classes to be discovered following Mr Byrne’s dying.
A report into the deaths of two observe employees in South Wales on July 3 final 12 months discovered that Community Rail’s long-term failure to enhance security was an underlying issue.