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The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 1h 17m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 1h 52m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 2h 27m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 3h 2m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 3h 37m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 4h 12m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 4h 47m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 5h 22m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 5h 57m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 6h 32m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 7h 7m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 7h 42m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 8h 17m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 8h 52m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
⏱ Still active — no changes from National Highways. Incident ongoing for 9h 32m. Monitoring continues.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
✅ Incident cleared — A43 reopened at 16:25 on 5 Aug 2026. Total disruption: 9h 57m. All lanes open, traffic returning to normal.
The A43 in Northamptonshire is closed southbound between the M1 J15a (Northampton) and the A5 (Towcester) due to a spillage.
Wording as published by National Highways, recorded as it changed.
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