Siemens will deliver 1,140 commuter rail carriages to the British capital. This is the largest order that Siemens has ever won in Great Britain and one of the biggest orders for Siemens' global rolling stock business. The first Desiro City train for the Thameslink network in Greater London was delivered and entered service in June 2016. By the end of 2018, a total of 115 trains will have been delivered. Siemens will take over the complete long-term servicing and maintenance for this new fleet of trains. The Thameslink north-south commuter route runs through London, connecting Bedford, located to the north east of the capital, with Brighton, on the south coast.
Introducing a high capacity, high frequency service of longer trains, extended platforms and new stations, the project is regarded as one of the largest rail infrastructure projects in the UK.