Investigation into an incident at Ty Mawr on 29 August 2007
At 10:50 hrs on 29 August Network Rail imposed a 20 mph (32 km/h) emergency speed restriction on the single line at Ty Mawr due to a rail defect that they had identified by ultrasonic examination. At 12:57 hrs staff on site reported that the 11:32 hrs train from Aberystwth to Birmingham had passed over the site at 80 mph (128 km/h). No one was injured as a result of the train’s overspeeding.
The RAIB's investigation into the incident is proceeding independently of any parallel investigations by the safety authority, but the RAIB will share technical evidence as appropriate, subject to legal exclusions such as the identity and statements of witnesses.
The RAIB will publish a report, including any recommendations to improve safety, at the conclusion of its investigation. This report will be available on the RAIB website.
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