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First look: The new trains for the Swansea to London route

ITV News can exclusively reveal the final designs of a new generation of InterCity trains soon to take to the tracks between Swansea and London.

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Final designs revealed for new InterCity Swansea to London trains

Work is underway on the first of hundreds of new bullet-style carriages in Japan for Great Western trains at a cost of almost six billion pounds.

With extra seats and space they should help ease the overcrowding crisis suffered by many passengers.

They will run on the mainline from London Paddington to Cardiff and through to Swansea.

Full size mock-ups of several carriages were secretly built to get the views of watchdogs and the rail industry - and the final design is about to be approved by the Government.

ITV Meridian's Mike Pearse was given exclusive access to see the train of the future.

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