Delays to HS2 introduced by the federal government earlier this 12 months to be able to assist ‘balance the books’ are more likely to price the taxpayer a minimum of £366 million, in accordance with new evaluation solely leaked to Sky News.

The authorities briefing additionally predicts the two-year pause to development work on a key part is definitely set to final 3.5 years - due to the extra time wanted to ramp up the work.

HS2 is a central a part of the federal government's levelling up agenda, designed to enhance rail connections between cities within the Midlands and the North with London.

Back in March the Department for Transport mentioned work on the essential leg between Birmingham and Crewe - which is then as a consequence of proceed to Manchester - must be put on hold because of the impact of inflation.

And in April the Transport Secretary confirmed that work has additionally been stopped for 2 years at London's Euston station.

Since development started there six years in the past, a whole bunch of properties and companies have been demolished - however now the massive constructing web site is just about empty.

Read extra: Euston HS2 delays would mean extra costs and higher spending, watchdog warns

Shadow Transport Secretary Louise Haigh MP mentioned: "The chaotic indecision and mismanagement of 13 years of HS2 has held back £30 billion of economic growth. It's left an abandoned building site here in Euston…and it's holding back economies in the north as well.

"It's costing taxpayers one other £400 million on high of the various, many wasted thousands and thousands that the Tories have already spent….There actually isn't any argument for delaying any additional."

The Department for Transport mentioned the federal government was dedicated to delivering HS2 providers to Euston, however the resolution to pause development was taken to "reduce expenditure…. and to develop a more affordable design".

Over the years the general projected price of HS2 has shot up from £38bn to greater than £71bn.

The promised new trains will journey at speeds of as much as 225mph - which implies journey occasions between London and Birmingham are set to cut back from 70 to 38 minutes, and from London to Manchester from two hours seven minutes to at least one hour seven minutes.

But the newest delays imply excessive pace trains will not attain Manchester till a minimum of 2040.

For Henri Murison, Chief Executive of the Northern Powerhouse Partnership, it is vital to ship HS2 as rapidly as potential. "The lack of connectivity of the north of England, whether it's east - west or north - south, is holding back our productivity," he mentioned.

"It is the reason why we see this huge gap between London and the rest of our cities and the ability of our northern cities to raise the living standards of people who live in our places."

The Department for Transport mentioned: "Large infrastructure projects have to be funded sustainably. Over the next two years, spending will remain within the annual budgets and some stages of the project will be re-phased to ensure they are delivered in the most cost-effective way for taxpayers, as the government set out to Parliament in March."