GTR and Porterbrook announce £55 million fleet modernisation programme
270 Southern, Gatwick Express and Great Northern trains to be updated
New real-time information screens and charging-/ power points
On-board performance monitoring and fault diagnosis to streamline maintenance
Govia Thameslink Railway (GTR) and Porterbrook, the owner of trains leased by the operator, have announced a five-year, £55 million programme to modernise the Sout