Nothern line bank branch to close for 4 months next year

TfL has announced plans to close part of the Northern line for several months as it completes a huge upgrade of Bank tube station. The bank branch of the Northern line will close between mid-January 2022 and mid-May, and this is to allow a new train tunnel recently dug next to Bank station to be linked up with the existing train tunnel.
The Northern line will be closed between Moorgate and Kennington — which are the two closest locations on the line where trains can be reversed over a rail