http://www.legislation.gov.uk/uksi/1994/799/article/3/madeThe A564 Trunk Road (Stoke–Derby Route) (Derby Southern Bypass and Slip Road) (No. 3) Order 1994Roads and highwaysRoad buildingKing's Printer of Acts of Parliament2011-07-04HIGHWAYS, ENGLAND AND WALES3The main new road and the slip road shall become trunk roads from the date when this Order comes into force.