Just published at
http://www.raib.gov.uk/cms_resources...ren_Street.pdf.
As ever, an informative and readable account, and one that I think will
interest Boltar.

It's not the RAIB's job to assign blame, and these things normally read
as more bad luck than serious incompetence. In this case, though, it's
clear what the inspectors think of the train operator's competence.