Former Labour chancellor Alistair Darling has strongly attacked the HS2 rail project saying its economic benefits are "highly contentious".
Former business secretary Lord Mandelson says the proposed HS2 rail link between London and the North could be "an expensive mistake".
Chancellor George Osborne has been accused of trying to divert the route the planned high-speed HS2 rail line will take.
"All construction access routes" have been considered as part of plans for the HS2 rail route, a project spokesman has told the Mail on Sunday, in response to campaigners' claims of widespread disruption.
He said the public had been consulted on the matter and offered the chance to "express potential concerns or suggest alternatives" and would continue to be involved.
– HS2 spokesman
We have sought to provide construction access with minimal disruption and will continue to work with local communities to take on board their views.
In developing the subsequent formal Environmental Statement, we will be considering how we can further reduce any adverse impacts.
The construction of the HS2 rail project will affect the lives of more than half a million people across Middle England, campaigners have said, including those living up to 25 miles from the controversial train route.
They say towns along a 40 mile wide corridor through Oxfordshire, Buckinghamshire and Warwickshire will be affected by the millions of extra lorry journeys during the building process.
The estimations by the Campaign for the Protection of Rural England (CPRE) come from analysis of information it requested from the HS2 project.
Campaigner Ralph Smyth condemned HS2 for its reluctance to hand over the information, saying: "It is not acceptable that it took a charity to uncover this."
Business leaders from the North West have joined a panel set up by the government to look into the impact of the proposed High Speed 2 rail project.
The government believes HS2, which is expected to slash journey times between London and the north west, will create thousands of jobs.
However campaigners have protested about the lasting effect the proposed line will have on the enviroment.
Lord Deighton ,Commercial Secretary to the Treasury
The consultation process starts today into the proposed High Speed Rail link (HS2) between London and Manchester.
HS2 will link the cities in the second phase of the scheme which is due to open in 21 years time.
A jobs summit is being launched to recruit engineers and apprentices.
Manchester City Council will be giving evidence in parliament today on the High Speed rail link.
HS2 will link London with Manchester in the second phase of the scheme which is due to open in 21 years time.
Former business secretary Lord Mandelson has urged Labour and the Government to think again about the controversial HS2 rail link, intended to speed up journeys between London and the North, saying it could be "an expensive mistake".
The Government's plans to introduce High Speed Rail 2 were opposed by 37 MPs, many of them believed to be Conservative backbenchers, in a House of Commons vote tonight.
The Bill was passed by a majority of 303.
Protesters against a proposed high speed rail link between London and Manchester will take their fight to the Court of Appeal today.
HS2 Action Alliance argue the government's plans do not consider the environmental impact of the new line.
Merseyside MP Maria Eagle as called on the government to stop "dithering" over the proposed HS2 rail link.
It comes after a report claims the UK is still behind France and Germany in terms of high speed rail journeys.
HS2 will dramatically cut journey times between the North West and London.