http://www.legislation.gov.uk/uksi/2014/3102/schedule/4/part/2/made
The London Underground (Northern Line Extension) Order 2014
en
King's Printer of Acts of Parliament
2017-07-31
TRANSPORT AND WORKS, ENGLAND
TRANSPORT, ENGLAND
This Order authorises London Underground Limited to construct and operate an extension to the Northern line from Kennington station in the London Boroughs of Lambeth and Southwark to a new station at the site of the disused Battersea Power Station in the London Borough of Wandsworth with an intermediate station at Nine Elms, Vauxhall.