page_title: Gospel Oak to Barking line
section_title: Trains
hierarchical_section_title: Gospel Oak to Barking line / Current operations / Trains
caption_attribution_description: English: London Overground Class 710 unit 710269 stands at Barking station
context_page_description: The Gospel Oak to Barking line is part of the Network Rail network of railway lines. It is 13 miles 58 chains in length from one terminus to the other and carries both through goods trains and London Overground passenger trains, connecting Gospel Oak station in north London and Barking station in east London. The line is part of Network Rail Strategic Route 6, and is classified as a London and South East Commuter line.
  For much of its existence the line has played a minor role in London's transport system; however in recent years it has received significant investment to increase its capacity, including full 25kV AC overhead electrification, completed in 2018. At the eastern end of the line, an extension to the Barking Riverside regeneration site is currently under construction, and is planned to open in 2021.
context_section_description: Until 2010 London Overground operated six Class 150 two-coach diesel units on the line. They were replaced by eight Class 172/0 two-coach diesel multiple units (DMUs).
  In 2017, all trains were diesel powered as the line was not fully electrified, with only two short sections having overhead electrification, at South Tottenham, to provide a link from Seven Sisters to Stratford, and from the junction with the Great Eastern Main Line to Barking but excluding the bay platform which this service uses. These sections were used only by occasional electric trains on other routes or by goods trains.
  Electrification of the line finished in 2018 but no electric trains were running as there were delays with the new Class 710s. As the leases for the Class 172 came to an end in early 2019, London Overground temporarily shortened three of its Class 378s to run on the line to substitute the Class 172s until the long-delayed Class 710s entered service on 23 May 2019. All of the Class 378s were replaced by 710s by August 2019.
caption: Class 710 standing at Barking
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