The specified lengths of the M4 motorway are—

1. a)

   The length of the westbound carriageway from a point 675 metres west of the centre line of the Bishton to Llanmartin overbridge to a point 80 metres west of the centre point of Forge Road underbridge.

2. b)

   The length of the eastbound carriageway from a point 64 metres east of its junction with the junction 28 (Tredegar Park) eastbound exit slip road to a point 229 metres east of its junction with the junction 24 (Coldra) eastbound entry slip road.

3. c)

   The length of the eastbound off slip road at junction 24 (Coldra) from its junction with the main eastbound carriageway to a point 123 metres west of its junction with the circulatory carriageway of the A48/A449 Coldra Interchange.

4. d)

   The length of the westbound off slip road at junction 24 (Coldra) from its junction with the main westbound carriageway to a point 114 metres east of its junction with the circulatory carriageway of the A48/A449 Coldra Interchange.

5. e)

   The length of the westbound on slip road at junction 24 (Coldra) from a point 6 metres west of its junction with the circulatory carriageway of the Coldra Interchange to its junction with the main westbound carriageway.

6. f)

   The length of the westbound off slip road at junction 25 (Caerleon) from its junction with the main westbound carriageway to its junction with the B4596 Caerleon roundabout circulatory carriageway.

7. g)

   The length of the eastbound on slip road at junction 25 (Caerleon) from its junction with the B4596 Caerleon roundabout circulatory carriageway to its junction with the main eastbound carriageway.

8. h)

   The length of the westbound off link road at junction 25A (Grove Park) from its junction with the main westbound carriageway to its junction with the A4042.

9. i)

   The length of the eastbound on link road at junction 25A (Grove Park) from its junction with the A4042 to its junction with the main eastbound carriageway.

10. j)

    The length of the eastbound off slip road, including the left turn lane, at junction 26 (Malpas) from its junction with the main eastbound carriageway to its junction with the A4051 Malpas roundabout circulatory carriageway.

11. k)

    The length of the westbound off slip road at junction 26 (Malpas) from its junction with the main westbound carriageway to its junction with the A4051 Malpas roundabout circulatory carriageway.

12. l)

    The length of the eastbound on slip road at junction 26 (Malpas) from its junction with the A4051 Malpas roundabout circulatory carriageway to its junction with the main eastbound carriageway.

13. m)

    The length of the westbound on slip road at junction 26 (Malpas) from its junction with the A4051 Malpas roundabout circulatory carriageway to its junction with the main westbound carriageway.

14. n)

    The length of the eastbound off slip road at junction 27 (High Cross) from its junction with the main eastbound carriageway to its junction with the B4591 High Cross roundabout circulatory carriageway.

15. o)

    The length of the westbound off slip road at junction 27 (High Cross) from its junction with the main westbound carriageway to its junction with the B4591 High Cross roundabout circulatory carriageway.

16. p)

    The length of the eastbound on slip road at junction 27 (High Cross) from its junction with the B4591 High Cross roundabout circulatory carriageway to its junction with the main eastbound carriageway.

17. q)

    The length of the westbound on slip road at junction 27 (High Cross) from its junction with the B4591 High Cross roundabout circulatory carriageway to its junction with the main westbound carriageway.

18. r)

    The length of the westbound off slip road at junction 28 (Tredegar Park) from its junction with the main westbound carriageway to a point 270 metres north of its junction with the main circulatory carriageway of Tredegar Park Interchange.

19. s)

    The length of the eastbound on slip road at junction 28 (Tredegar Park) from a point 45 metres north of its junction with the A48/A467 roundabout circulatory carriageway to its junction with the main eastbound carriageway.