Southern's entire Electrostar fleet has been upgraded with phone-charging points and improved WiFi.
A £100m project has refurbished over 300 London commuter trains operating in and out of Victoria station, extending their lifespan by 15 years.
The five-year project was completed at Southern's Selhurst depot in south London, with the last of the 304 "Electrostar" trains returning to service.
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Author's summary: Southern refurbishes 304 trains.