A43 | Northamptonshire | Carriageway Closure | Expect Delays

Incident timeline

1. 00:41, 6 AugFirst report

   The A43 southbound in Northamptonshire is closed between the M1 J15a (Northampton) and the A5 (Towcester) for emergency resurfacing works.

2. 00:55, 6 AugUpdate

   The A43 southbound in Northamptonshire is closed between the M1 J15a (Northampton) and the A5 (Towcester) for emergency resurfacing works.

3. 01:30, 6 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 48 minutes. Monitoring continues.

4. 01:35, 6 AugUpdate

   The A43 southbound in Northamptonshire is closed between the M1 J15a (Northampton) and the A5 (Towcester) for emergency resurfacing works.

5. 02:05, 6 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 23m. Monitoring continues.

6. 02:10, 6 AugUpdate

   The A43 southbound in Northamptonshire is closed between the M1 J15a (Northampton) and the A5 (Towcester) for emergency resurfacing works.

7. 02:40, 6 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 1h 58m. Monitoring continues.

8. 02:45, 6 AugUpdate

   The A43 southbound in Northamptonshire is closed between the M1 J15a (Northampton) and the A5 (Towcester) for emergency resurfacing works.

9. 03:15, 6 AugUpdate

   ⏱ Still active — no changes from National Highways. Incident ongoing for 2h 33m. Monitoring continues.

10. 03:20, 6 AugUpdate

    The A43 southbound in Northamptonshire is closed between the M1 J15a (Northampton) and the A5 (Towcester) for emergency resurfacing works.

11. 03:50, 6 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 8m. Monitoring continues.

12. 03:55, 6 AugUpdate

    The A43 southbound in Northamptonshire is closed between the M1 J15a (Northampton) and the A5 (Towcester) for emergency resurfacing works.

13. 04:25, 6 AugUpdate

    ⏱ Still active — no changes from National Highways. Incident ongoing for 3h 43m. Monitoring continues.

14. 04:30, 6 AugUpdate

    The A43 southbound in Northamptonshire is closed between the M1 J15a (Northampton) and the A5 (Towcester) for emergency resurfacing works.

15. 04:55, 6 AugUpdate

    ✅ Incident cleared — A43 reopened at 04:55 on 6 Aug 2026. Total disruption: 4h 13m. All lanes open, traffic returning to normal.

16. 13:30, 6 NovFinal update

    The A43 southbound in Northamptonshire is closed between the M1 J15a (Northampton) and the A5 (Towcester) for emergency resurfacing works.

Wording from National Highways, recorded as it changed.

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