Meridian Tonight can exclusively reveal that a one billion pounds worth of Japanese Bullet trains will be used in the Thames Valley. First Great Western hopes the first of the 500 carriages will come into service in 2016.
Our Transport Correspondent Mike Pearse was given exclusive access to the Hitachi factory in Kasado which is close to Hiroshima and to ride on the world famous Shinkansen bullet trains.
In this report he talks to Kentaro Masai of the Kasado factory and Darren Cumner who will be in charge of the assembly plant in the UK for the trains.
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Wednesday afternoon's weather for the east of the region
Wednesday afternoon's weather for the west of the region
Wednesday's weather for the east of the region