[HS2:
Ministers and bosses knew railway was over budget years ago
By Tom Burridge Transport correspondent, BBC News ]
https://www.bbc.co.uk/news/business-49450297
[Crucially, the documents were written in 2016, before MPs had signed off the first phase of the project.
It is evidence that both the public and Parliament were not given the full picture about the true cost.
The Department for Transport said: "Like all major, complex projects delivery plans evolve over time."
"We regularly keep Parliament and members of the public updated on the progress of the project," the DfT added.
HS2 Ltd is a public company, set up to build a new high-speed line linking
London, Birmingham, Manchester and Leeds. It is funded by the taxpayer.]