Northern line extension: Work on the £1.2bn Tube extension to Battersea and Nine Elms gets started in March | City A.M.

Northern line extension: Work on the £1.2bn Tube extension to Battersea and Nine Elms gets started in March | City A.M.
... Sadiq Khan has announced that tunnelling will get underway to create the £1.2bn extension of the line between Kennington and Battersea.

Two 650-tonne boring machines (each the length of a football pitch just FYI) from French firm NFM Technologies will create two 3.2km underground tunnels to extend the Charing Cross branch of the Northern line from Kennington to Battersea, via Nine Elms. ...