The length of the trunk road ceasing to be a trunk road is situated between the junction with the A646 Rossendale Road/Rosegrove Lane and the roundabout near Knotts Bridge, north east of the M65 at junction 9 and is shown by broad black dashes on the plan numbered HA 10/OD/374, marked “A679 Trunk Road (Halifax-Burnley) (Detrunking) Order 2003” 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 Sussex TN37 7GA.