London's Tube to get quicker and more reliable as TfL wraps up festive work on Northern Line extension and upgrades | City A.M.

London's Tube to get quicker and more reliable as TfL wraps up festive work on Northern Line extension and upgrades | City A.M.
... Progress has been made on the Northern Line extension too, with the installation of two new track junctions to connect the new tunnels for the extension to the existing line at Kennington. Work is ongoing to build new stations at Battersea and Nine Elms. ...