A12 road closures & live traffic incidents

No live incident closures on the A12 right now, but 3 roadworks are currently in force.

Live A12 updates from National Highways and Traffic Wales: incident closures, roadworks in force, planned closures for the week ahead and recently cleared disruption.

Live incident

Active roadworks

Planned

Cleared

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A12 roadworks in force now

M25 Jct 28 roundabout lane 3,2 closure

Active Roadworks National Highways

Havering A12 · Roundabout At M25 J28/A12

Expected to clear in 6 hours 23 minutes

Started 5 Aug 2026, 21:00 Expected clear 6 Aug 2026, 04:30

M25 Jct 28 roundabout lane 3,2 closure

Category: Road Maintenance

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A120 eastbound Hare Green to Crown Interchange lane 2 closure

Planned Roadworks National Highways

Colchester A12 · A12 Northbound Within The A120 Near Colchester (East) Junction

Expected to clear in 5 hours 53 minutes

Started 5 Aug 2026, 20:00 Expected clear 6 Aug 2026, 04:00

A120 eastbound Hare Green to Crown Interchange lane 2 closure

Category: Road Maintenance

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A12 northbound Jct 24 to 25 lane 1 closure (MP 150/5 to 153/7)

Planned Roadworks National Highways

Colchester A12 · A12 Northbound Between B1024 Near Kelvedon (North) And A120 Near Colchester (West)

Expected to clear in 5 hours 53 minutes

Started 5 Aug 2026, 20:00 Expected clear 6 Aug 2026, 04:00

A12 northbound Jct 24 to 25 lane 1 closure (MP 150/5 to 153/7)

Category: Road Maintenance

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Recently cleared on the A12

All live closures A12 closure history