Alison Munro, the chief executive of High Speed Two Ltd said: "This is a project that the country needs. The existing railway is becoming increasingly full and by the middle of the next decade parts of it will be effectively full.
"So we need to start now to plan to have that capacity in place."
More top news
As Britain basked in the hottest day of the year (so far), the Met Office sent a warning which took us all by surprise.
James Davis, Laurence Halsted and Richard Kruse make up the squad. Marcus Mepstead is named as the team reserve.
After this morning's fire at Vauxhall 4 of the 8 lines are still closed which means South West Trains is running a limited service.