http://www.legislation.gov.uk/uksi/1996/1190/signature/madeThe A303 Trunk Road (Sparkford To Ilchester Improvement And Slip Roads) (Detrunking) Order 1996Roads and highwaysRoad buildingKing's Printer of Acts of Parliament2011-07-04HIGHWAYS, ENGLAND AND WALESSigned by authority of the Secretary of State for TransportD W WardDirector Southern Operations Division Road Programme Directorate Highways Agency26th April 1996