East London Line opens to public (BBC News)
 

The new East London Line officially opens, forming part of the £1bn London Overground engineering project.

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I honestly can't remember when I last visited and rode around the Capital on the LUL/Docklands for a day, so must do it soon and include this new line.

East London Line opens to public
 

[QUOTE The line will form part of a planned wider London Overground orbital network, which will allow passengers to travel around London on the line without having to enter central areas of the city. [/QUOTE]

Sounds like a good idea to be able to travel round central areas of the city rather than through them.