An investigation has been launched after two trains went at more than double a speed restriction on the line where a derailment left three dead.
The Rail Accident Investigation Branch said two services went through the 40mph restriction at up to 100mph.
And the bit that baffled me,
"The RAIB said neither of the train drivers was aware of the emergency speed restriction at the time they drove their trains over the affected section of track."
https://www.bbc.co.uk/news/uk-scotla...tland-55587231