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M40 road closures & live traffic incidents

No live incident closures on the M40 right now, but 1 roadwork is currently in force.

Live M40 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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M40 roadworks in force now

M40 Southbound, Jct 12 to Jct 11 hard shoulder closure

Active Roadworks National Highways
Bicester M40 · M40 Southbound Between J12 And J11

Expected to clear in 5 hours 53 minutes

Started 14 Oct 2026, 07:00 Expected clear 14 Oct 2026, 15:00

M40 Southbound, Jct 12 to Jct 11 hard shoulder closure

Category: Road Maintenance
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M40 closures planned this week

A40 Eastbound Jct 1 exit slip road lane 1 closure

Planned Roadworks National Highways
Hillingdon M40 · M40 Southbound Between J1A And J1

Starts in 10 hours 53 minutes

Starts 14 Oct 2026, 20:00 Expected clear 15 Oct 2026, 04:30

A40 Eastbound Jct 1 exit slip road lane 1 closure

Category: Road Maintenance
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M40 Southbound Jct 4 to Jct 3 lane 3 and lane 2 closures.

Planned Roadworks National Highways
Chiltern M40 · M40 Southbound Between J4 And J3

Starts in 10 hours 53 minutes

Starts 14 Oct 2026, 20:00 Expected clear 15 Oct 2026, 05:00

M40 Southbound Jct 4 to Jct 3 lane 3 and lane 2 closures.

Category: Road Maintenance
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M40 Southbound, Jct 11 to Jct 10, lane 3 and 2 closure.

Planned Roadworks National Highways
Bicester M40 · M40 Southbound Between J11 And J10

Starts in 10 hours 53 minutes

Starts 14 Oct 2026, 20:00 Expected clear 15 Oct 2026, 05:00

M40 Southbound, Jct 11 to Jct 10, lane 3 and 2 closure.

Category: Road Maintenance
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M40 Southbound Jct 5 to Jct 4 hard shoulder, lane 1 and 2 closure

Planned Roadworks National Highways
Wycombe M40 · M40 Southbound Between J5 And J4

Starts in 10 hours 53 minutes

Starts 14 Oct 2026, 20:00 Expected clear 15 Oct 2026, 05:00

M40 Southbound Jct 5 to Jct 4 hard shoulder, lane 1 and 2 closure

Category: Construction Work
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M40 Southbound, Jct 11 to Jct 10, lane 1 and 2 closure.

Planned Roadworks National Highways
Bicester M40 · M40 Southbound Between J11 And J10

Starts in 10 hours 53 minutes

Starts 14 Oct 2026, 20:00 Expected clear 15 Oct 2026, 05:00

M40 Southbound, Jct 11 to Jct 10, lane 1 and 2 closure.

Category: Road Maintenance
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M40 Southbound Jct 2 exit slip road lane 1, lane 2, lane 3 and lane 4 closures with switch.

Planned Roadworks National Highways
South Bucks M40 · M40 Southbound Between J3 And J2

Starts in 12 hours 8 minutes

Starts 14 Oct 2026, 21:15 Expected clear 15 Oct 2026, 04:00

M40 Southbound Jct 2 exit slip road lane 1, lane 2, lane 3 and lane 4 closures with switch.

Category: Road Maintenance
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Recently cleared on the M40

All live closures M40 closure history