Shadow Transport Secretary Maria Eagle has told Daybreak that the Government's plan to prioritise a new ownership deal for the East Coast mainline is "a bit of an odd choice".
"Competition has failed twice in spectacular fashion" on the East Coast franchise, she said, "now that [they] are putting that right, returning money to the treasury, returning money to the taxpayer, improving services... why is it a priority?"
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The decision was met with outrage and anger by UK cities which were on the shortlist for the prestigious award.
Mr Lewis is one of a number of Labour and Tory MPs under investigation by party officials over allegations of inappropriate conduct.
A jury has failed to reach a verdict in Emile Cilliers' trial on charges of attempting to murder his wife by tampering with her parachute.