A new train which it's claimed will "transform" rail travel on the Thameslink line has been unveiled today, with pledges of increased reliability and energy efficiency.
The electric Class 700 is due to begin operating in 2016.
Siemens is building the 1,140 carriages in Germany, but said up to 2,000 jobs will be created in the UK supply chain, including component manufacturing, maintenance and new depots.
A further 3,000 workers are expected to be employed as part of wider Thameslink infrastructure works.
The government says the £6.5 billion programme will offer improvements for passengers and increased capacity and reliability across one of Europe's busiest stretches of railway, including more seats through central London, more frequent services from St Albans and more carriages into London Bridge.
Speaking at the unveiling of a full-scale mock-up of the train at London's ExCeL Centre today, rail minister Stephen Hammond said
First Capital Connect operates the current Thameslink franchise and has worked closely with the government to develop the new trains.
Managing director David Statham said: