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£220million cost to ease congestion
Work gets underway today on the biggest ever revamp to the Welsh railway network.
The £220 million scheme is designed to reduce congestion on key lines in South Wales, will replace more than three hundred signals, and replace twelve miles of tracks.
The scheme is expected to be completed by 2015, with the capacity of the Welsh railway network increased by an expected 25%.
Seven new platforms will be built as part of the work.
They will be at stations in Barry, Caerphilly, Pontypridd, Tirphil, Cardiff Central and two at Cardiff Queen Street.
Mark Langman, route managing director for Network Rail Wales, said: "We need to expand today's railway to cater for tomorrow's needs, and we are getting ahead of the game."