Northern line extension’s opening date announced

The Northern line extension on the London Underground to Nine Elms and Battersea Power Station will open on the 20th September, TfL has confirmed.
Tube services on the extension will start on Monday 20 September, running from Kennington station on the Charing Cross branch. There will be an initial peak time service of six trains per hour on the extension, increasing to 12 trains per hour by mid-2022. There will be five trains per hour during off-peak times, doubling to 10 trains per hour next ye