A12 | Essex | Carriageway Closure | Expect Dela… — Cleared 5 Sep

What happened

The A12 in Essex is closed southbound between J25 (Marks Tey) & J23 (Kelvedon) due to an overrunning roadworks. 

RoadA12

SeveritySevere

StatusCleared

DirectionSouthbound

Started04:47, 5 Sep 2026

Cleared07:06, 5 Sep 2026

04:47, 5 SepFirst report
The A12 in Essex is closed southbound between J25 (Marks Tey) & J23 (Kelvedon) due to an overrunning roadworks. 
05:16, 5 SepUpdate
The A12 in Essex is closed southbound between J25 (Marks Tey) & J23 (Kelvedon) due to an overrunning roadworks. 
05:46, 5 SepUpdate
⏱ Still active — no changes from National Highways. Incident ongoing for 59 minutes. Monitoring continues.
05:51, 5 SepUpdate
The A12 in Essex is closed southbound between J25 (Marks Tey) & J23 (Kelvedon) due to an overrunning roadworks. 
06:26, 5 SepUpdate
⏱ Still active — no changes from National Highways. Incident ongoing for 1h 39m. Monitoring continues.
06:31, 5 SepUpdate
The A12 in Essex is closed southbound between J25 (Marks Tey) & J23 (Kelvedon) due to an overrunning roadworks. 
07:06, 5 SepUpdate
⏱ Still active — no changes from National Highways. Incident ongoing for 2h 19m. Monitoring continues.
07:06, 5 SepUpdate
✅ Incident cleared — A12 reopened at 07:06 on 5 Sep 2026. Total disruption: 2h 19m. All lanes open, traffic returning to normal.
09:03, 6 NovFinal update
The A12 in Essex is closed southbound between J25 (Marks Tey) & J23 (Kelvedon) due to an overrunning roadworks.

Wording from National Highways, recorded as it changed.

Enter when you were on the A12 to check.