A40 road closures & live traffic incidents

No live closures are reported on the A40 right now.

Live A40 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

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A40 closures planned this week

A40 eastbound lane 2 closure

Planned Roadworks National Highways

South Gloucestershire A40 · A40 Eastbound Between A417 Near Gloucester (North) And M5

Starts in 2 hours 17 minutes

Starts 12 Oct 2026, 20:00 Expected clear 13 Oct 2026, 05:00

A40 eastbound lane 2 closure

Category: Road Maintenance

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A4020 Oxford Road to A40 Denham Roundabout Westbound Jct 1 Exit Slip Lane 2 Closure

Planned Roadworks National Highways

Hillingdon A40 · Roundabout At M40 J1/A40

Starts in 3 hours 17 minutes

Starts 12 Oct 2026, 21:00 Expected clear 13 Oct 2026, 04:00

A4020 Oxford Road to A40 Denham Roundabout Westbound Jct 1 Exit Slip Lane 2 Closure

Category: Road Maintenance

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Recently cleared on the A40

All live closures A40 closure history