A12 road closures & live traffic incidents

No live closures are reported on the A12 right now.

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

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Active roadworks

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A12 closures planned this week

A12 northbound Jct 16 to Jct 17 lane 1 closure (MP 122/5 to 123/6)

Planned Roadworks National Highways

Chelmsford A12 · A12 Northbound Between B1007 And A1114/A130

Starts in 10 hours 3 minutes

Starts 16 Jul 2026, 20:00 Expected clear 17 Jul 2026, 04:00

A12 northbound Jct 16 to Jct 17 lane 1 closure (MP 122/5 to 123/6)

Category: Road Maintenance

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A12 northbound Jct 11 to Copdock mobile lane closure (MP 102/0 to 184/3)

Planned Roadworks National Highways

Havering A12 · A12 Northbound Between M25 And A1023

Starts in 10 hours 3 minutes

Starts 16 Jul 2026, 20:00 Expected clear 17 Jul 2026, 04:00

A12 northbound Jct 11 to Copdock mobile lane closure (MP 102/0 to 184/3)

Category: Road Maintenance

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A12 northbound Jct 19 to 22 carriageway closure

Planned Roadworks National Highways

Chelmsford A12 · A12 Northbound Access From A138/A130

Starts in 10 hours 3 minutes

Starts 16 Jul 2026, 20:00 Expected clear 17 Jul 2026, 04:00

A12 northbound Jct 19 to 22 carriageway closure

Category: Road Maintenance

View update

Recently cleared on the A12

All live closures A12 closure history