The Transport Secretary has said that cancelling the competition to run the West Coast Main Line will cost the taxpayer £40 million.
Patrick McLoughlin said the U-turn on the West Coast Mail Line rail franchise award was "wholly and squarely" down to a Whitehall fault.
Scotland's Transport Minister will outline his concerns at Holyrood
Russell Brown MP, has described the admission of flaws in the West Coast Mainline bidding process as "an utter shambles".
The competition to operate the West Coast Main Line has been cancelled after flaws were discovered in the bidding process.