There will be no new investment in trains as the firm will inherit the existing fleet, but this was boosted in December by new trains on the Stansted Express service from Cambridge.

BBC: England

Twelve modern Class 175 trains, currrently with the Trans Pennine service, will replace older rolling stock in the Arriva Trains Wales fleet.

BBC: NEWS | UK | Wales | North West Wales | Passenger 'shabby' trains anger

Hitachi trains are the front-runner in the competition to replace all of the UK's fleet of inter-city high-speed trains.

BBC: What happened to Japan's electronic giants?

Rio Tinto's answer is a plan to move ore from mines to ports on a fleet of driverless trucks and trains, starting in 2010.

ECONOMIST: The global reach of China's boom

The older trains will be replaced by newer models from elsewhere in the subway fleet.

WSJ: MTA Moving to Phase Out the C Line's Clunkers

More trains will be increased from eight cars to 12 when a new fleet is delivered in 2015.

BBC: Longer trains set to ease congestion on Thameslink line