Richard Westcott holding a pie chart
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Rail fares: Where does each pound go?

2 January 2014 Last updated at 15:55 GMT

An average 2.8% increase in rail fares has come into effect, pushing the cost of some commuter travel to more than £5,000 a year.

The BBC's Richard Westcott has a rough guide to why fares are increasing, and where your money goes.