Govia Thameslink Railway (GTR) is a British train operating company that operates the TSGN rail franchise. Within the franchise, GTR runs trains under the sub-brands Thameslink, Great Northern, Southern and Gatwick Express. GTR is a subsidiary of Govia, which is itself a joint venture between the British Go-Ahead Group (65%) and French company Keolis (35%).
A Thameslink Class 700 at Shepreth Branch Junction, south of Cambridge in 2019
Southern Class 377 at Watford Junction
An example of widescale upgrade works at Harpenden station including the extension of platforms for 12 carriage trains, a new footbridge with lifts, new waiting rooms, brighter lighting, new ticket gates and automatic passenger information screens
Image: British Rail Class 377 377164
Thameslink, Southern and Great Northern franchise
Thameslink, Southern and Great Northern (TSGN) is a management contract for the provision of passenger services on the Thameslink and Great Northern routes to Bedford, Luton, Peterborough, King's Lynn, Cambridge, London King's Cross, London Moorgate, Sutton, Wimbledon and Brighton, as well as the whole Southern network and the jointly operated First Capital Connect Southeastern services, which were added to the franchise on 25 July 2015, with the Southern and Gatwick Express brands retained.
Thameslink Class 700 at Blackfriars, in February 2016.