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 lane closures southbound (up to 4.05k)

Planned Roadworks National Highways

Royal Leamington Spa M40 · M40 Southbound Between J16 And J15

Expected to clear in 4 hours 2 minutes

Started 3 Aug 2026, 20:00 Expected clear 4 Aug 2026, 05:00

M40 lane closures southbound (up to 4.05k)

Category: Road Maintenance

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M40 closures planned this week

M40 Southbound, Jct 8a exit slip road lane one closure

Planned Roadworks National Highways

Benson M40 · M40 J8A Southbound Exit

Starts in 5 hours 2 minutes

Starts 4 Aug 2026, 06:00 Expected clear 4 Aug 2026, 18:00

M40 Southbound, Jct 8a exit slip road lane one closure

Category: Road Maintenance

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M40 southbound, Jct 12 to Jct 11, lane 1 and 2 closure

Planned Roadworks National Highways

Bicester M40 · M40 Southbound Between J12 And J11

Starts in 19 hours 2 minutes

Starts 4 Aug 2026, 20:00 Expected clear 5 Aug 2026, 05:00

M40 southbound, Jct 12 to Jct 11, lane 1 and 2 closure

Category: Road Maintenance

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Recently cleared on the M40

All live closures M40 closure history