Mark Wild, who was parachuted in to rescue HS2 after doing the same for Crossrail, told MPs today that he was convinced it would not be delayed any further.

Labour is set to announce a new timeline on HS2 and efforts to save money after years of delays and spiralling costs

Heidi Alexander will tell the Commons that delivering the beleaguered high-speed rail project may cost triple the £32.7billion price tag it was originally given in 2011.

Transport secretary Heidi Alexander is expected to announce the maximum speed of the trains will be 199mph