Greater Anglia and South West Trains have been branded the worst value for money by passengers.
A survey by the independent watchdog Passenger Focus found that travellers on their routes were the least satisfied with the price of their tickets. Only 37% of passengers considered their tickets value for money, compared with as many as 73% for other operators.
But, despite its poor rating, Greater Anglia's score was an improvement on last year - when it managed only 33%.
Nationally, the proportion of rail passengers satisfied with the price of their tickets has risen by one percentage point to 47% since autumn 2011.
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