The Secretary of State also defended the choice of Toton for the site of a new HS2 station serving the East Midlands. He said it would serve the region well.
He was speaking at a conference of rail industry experts in Derby.
An influential group of MPs says the DfT has failed to present 'a convincing strategic case' for HS2.
Campaigners say they hope to put plans for HS2 through the Midlands back to square one as they prepare to go to the High Court tomorrow.
Campaigners from HS2 Action Alliance are heading to London tomorrow to take on the Government at the Court of Appeal.