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

A12 northbound Jct 19 to 22 carriageway closure

Planned Roadworks National Highways

Chelmsford A12 · A12 Northbound Between B1389 Near Witham (South) And B1389 Near Witham (North)

Expected to clear in 1 hour 10 minutes

Started 31 Jul 2026, 20:00 Expected clear 1 Aug 2026, 04:00

A12 northbound Jct 19 to 22 carriageway closure

Category: Road Maintenance

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A12 northbound Jct 22 to 23 lane 1 closure (MP 141/6 to 144/3)

Planned Roadworks National Highways

Maldon A12 · A12 Northbound Between B1389 Near Witham (North) And B1024 Near Kelvedon (South)

Expected to clear in 1 hour 10 minutes

Started 31 Jul 2026, 20:00 Expected clear 1 Aug 2026, 04:00

A12 northbound Jct 22 to 23 lane 1 closure (MP 141/6 to 144/3)

Category: Road Maintenance

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A120 eastbound M11 Jct 8 to Harwich mobile lane closure

Planned Roadworks National Highways

Colchester A12 · A12 Northbound Between A120 Near Colchester (West) And A1124

Expected to clear in 2 hours 10 minutes

Started 31 Jul 2026, 19:00 Expected clear 1 Aug 2026, 05:00

A120 eastbound M11 Jct 8 to Harwich mobile lane closure

Category: Road Maintenance

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Recently cleared on the A12

All live closures A12 closure history