The length of the trunk road ceasing to be trunk road is situated between the M57 at junction 7 (Switch Island) and the Preston boundary at the river Ribble and is shown by broad black dashes on the plans numbered HA 10/OD/371A, marked “A59 Trunk Road (Liverpool–Preston) (Detrunking) Order 2004” signed by authority of the Secretary of State for Transport and deposited at the DfT Records Management Branch, Ashdown House, St. Leonards-on-Sea, Hastings, East Hastings, East Sussex, TN37 7GA.