The new chief executive of HS2 faces an even bigger challenge getting the project completed than he did finishing Crossrail, according to the Rail Minister. Lord Hendy, previously chairman of Network Rail and a former London transport commissioner, told The Standard: “It’s a bigger project – this is the biggest construction project in western Europe, and currently – as a new Government – we don’t know how much it’s going to cost or how long it’s going to take.