Three Department for Transport civil servants have been suspended following mistakes made in the now-scrapped West Coast Main Line franchise.
The announcement came after Transport Secretary Patrick McLoughlin laid the blame for the fiasco "wholly and squarely" on the DfT.
The errors came to light after Sir Richard Branson launched a legal challenge when Virgin Trains lost out to FirstGroup in the recent competition to operate the route.
"Three officials involved in the West Coast franchise competition were today suspended by the Permanent Secretary while the full facts are established.
"No further details will be issued at this time about the suspensions."
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.