In the administrative area of Wiltshire Council—
18. A 570 metre length of the existing A303 trunk road to the west of Winterbourne Stoke to be declassified (changing from its trunk road status to an unclassified road) from a point immediately west of its junction with the existing southern B3083 in a westerly direction,
identified by a purple line overlaid with a black dashed line on the classification of roads plan.
19. A 350 metre length of existing A303 trunk road to be reclassified as part of the B3083 from a point immediately to the west of its junction with the existing B3083 south, to the west of Winterbourne Stoke, to a point immediately east of the existing junction of the B3083 north with the existing A303,
identified by a cyan line on the classification of roads plan.
20. A 1.24 km length of existing A303 trunk road to be classified as a C class road and recorded by the local highway authority as the C507, commencing from a point immediately to the east of its junction with the existing B3083 north at Winterbourne Stoke to a point 280 metres to the east of the junction of existing byway WST06B with the existing A303,
identified by a dashed orange line on the classification of roads plan.
21. A length of 345 metres of highway, comprising the existing A303 circulatory carriageway (and related highway verge) at Countess junction roundabout to be re-classified as the A345, together with the following connecting lengths of slip road—
(a)a 14 metre length of the existing A303 eastbound diverge slip road to be re-classified as part of the A345, commencing from the edge of the circulatory carriageway and extending in a westerly direction;
(b)a 17 metre length of the existing A303 eastbound merge slip road to be re-classified as part of the A345, commencing from the edge of the circulatory carriageway and extending in an easterly direction;
(c)a 25 metre length of the existing A303 westbound diverge slip road to be re-classified as part of the A345, commencing from the edge of the circulatory carriageway and extending in an easterly direction; and
(d)a 26 metre length of the existing A303 westbound merge slip road to be re-classified as part of the A345, commencing from the edge of the circulatory carriageway and extending in a westerly direction,
as shown by a pink line on the classification of roads plan.