Go-Ahead was expected to report an average pretax profit of 83.6 million pounds for the year, according to a Thomson Reuters I/B/E/S poll of 11 analysts.
The group, which also runs yellow school buses in North America, held the final dividend at 81 pence but said it was wary about the year ahead.
"We continue to be cautious on the near term prospects for the UK economy and the outlook for the next financial year remains difficult to predict, including any impact from the (UK) government's comprehensive spending review expected to be announced in October 2010," the company said.
Go-Ahead's rail business saw ticket sales drop 1 percent but its bus unit delivered revenues 7.7 percent higher, despite its London bus business suffering after renewing contracts on poorer terms.
It said its North American bus joint venture was performing well.
Go-Ahead shares, which have fallen a fifth this year, closed at 1,088 pence on Wednesday, valuing the group at around 470 million pounds.
(Reporting by Rhys Jones; Editing by Victoria Bryan)
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