A South West Trains boss has called for at least £100 million to be spent to allow the company to make full use of Waterloo International when it is vacated by Eurostar in 2007.
Eurostar announced last month that it will move its entire London operation to St Pancras when the Channel Tunnel Rail Link is completed in 2007.
Eccles said that Eurostar's decision would have only a "very marginal effect" on South West Trains's business unless the major infrastructure investment is forthcoming.
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