New images show the progress of a huge £600 million revamp of Bank Station which will see 1,500 metres of tunnels created 27 metres under the City of London. New pathways will be created to simplify the “spaghetti maze” of tunnels used by 52 million commuters every year. A new entrance to Bank station will be created in the European Headquarters of the Bloomberg building on Cannon Street A concourse will be created between the north and southbound Northern line platforms.