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M40 road closures & live traffic incidents

No live incident closures on the M40 right now, but 3 roadworks are 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 exit slip road lane closure northbound

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

Expected to clear in 4 hours 4 minutes

Started 5 Aug 2026, 20:08 Expected clear 6 Aug 2026, 05:00

M40 exit slip road lane closure northbound

Category: Road Maintenance
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M40 southbound, Jct 9 to Jct 8, lane 3 and lane 2 closures

Planned Roadworks National Highways
Benson M40 · M40 Southbound Between J9 And J8A

Expected to clear in 4 hours 4 minutes

Started 5 Aug 2026, 19:00 Expected clear 6 Aug 2026, 05:00

M40 southbound, Jct 9 to Jct 8, lane 3 and lane 2 closures

Category: Road Maintenance
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M40 Southbound, Jct 9 to Jct 8a, hard shoulder closure.

Planned Roadworks National Highways
Bicester M40 · M40 Southbound Between J9 And J8A

Expected to clear in 22 hours 3 minutes

Started 4 Aug 2026, 06:00 Expected clear 6 Aug 2026, 22:59

M40 Southbound, Jct 9 to Jct 8a, hard shoulder closure.

Category: Road Maintenance
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M40 closures planned this week

M40 Southbound, Jct 9 to Jct 8a, lane 3 closure.

Planned Roadworks National Highways
Bicester M40 · M40 Southbound Within J9

Starts in 19 hours 4 minutes

Starts 6 Aug 2026, 20:00 Expected clear 7 Aug 2026, 05:00

M40 Southbound, Jct 9 to Jct 8a, lane 3 closure.

Category: Road Maintenance
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M40 Southbound Jct 6 to Jct 5 lane 3 and lane 2 closure.

Planned Roadworks National Highways
Wycombe M40 · M40 Southbound Between J6 And J5

Starts in 19 hours 4 minutes

Starts 6 Aug 2026, 20:00 Expected clear 7 Aug 2026, 05:00

M40 Southbound Jct 6 to Jct 5 lane 3 and lane 2 closure.

Category: Road Maintenance
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M40 Southbound, Jct 9 to Jct 8 , lane 3 closure.

Planned Roadworks National Highways
Benson M40 · M40 Southbound Within J8A

Starts in 20 hours 19 minutes

Starts 6 Aug 2026, 21:15 Expected clear 7 Aug 2026, 04:00

M40 Southbound, Jct 9 to Jct 8 , lane 3 closure.

Category: Road Maintenance
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Recently cleared on the M40

All live closures M40 closure history