Train journey times between northern English cities could be slashed by half after ministers backed plans for a third high-speed railway.
The proposals were put forward in a report from the head of the £50 billion HS2 high-speed rail project, Sir David Higgins.
The improvements would cover an east-west section of northern England and would be in addition to the north-of-Birmingham phase two of HS2 which will see a Y-shaped route going to Manchester and Leeds.
Sir David said northern connectivity plans - dubbed "HS3" and backed by Chancellor George Osborne - would be "as important to the north of England as Crossrail is for London".
If carried forward, the plans would mean journey times between Leeds and Manchester could almost be cut in half.
While journeys between Leeds and Birmingham, Leeds and Sheffield Meadowhall, York and Birmingham and Nottingham to Birmingham could also be reduced by a half or more, and many more journeys across the country substantially shortened.
The Prime Minister says the money to pay for HS2 will need to come from 'a balance' between the Government and 'the train user' - but expensive tickets are necessary for 'Britain to be a success'. See the full interview above.