The government should rule out using peak-time train fare rises to manage passenger numbers, MPs have said.

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Compensation is also frequently determined by the fare paid or airline loyalty program status of the passenger.

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Fare increases would "broadly follow inflation" if passenger numbers grew at the expected rate, added Mr O'Toole, but he could offer no commitment that fares would not increase at a higher rate than that if these projections proved wrong.

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Probably the most useful feature is the ability for a passenger to swipe their credit card on the machine to pay for the fare: that's right, no more fumbling in your pocket for change.

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Passenger Focus chief executive Anthony Smith said that, "after years of above-inflation fare rises, fresh increases are piling pressure on already high fares".

BBC: Rail commuters face 6.5% fare rise

But Greenwald knows he cant nourish those cherished profit margins unless he attracts more full-fare travelers like last- minute businessmen, who typically pay 15 cents more per passenger mile than vacationers.

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Ticket sales picked up, as passenger revenue per available seat mile grew 5.2% during the quarter, and the average fare paid increased by more than 6%.

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